18110820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 65028096

約数和(自身を除く): 46917276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 107, 124, 130, 140, 155, 156, 182, 186, 195, 210, 214, 217, 260, 273, 310, 321, 364, 372, 390, 403, 420, 428, 434, 455, 465, 535, 546, 620, 642, 651, 749, 780, 806, 868, 910, 930, 1070, 1085, 1092, 1209, 1284, 1302, 1365, 1391, 1498, 1605, 1612, 1820, 1860, 2015, 2140, 2170, 2247, 2418, 2604, 2730, 2782, 2821, 2996, 3210, 3255, 3317, 3745, 4030, 4173, 4340, 4494, 4836, 5460, 5564, 5642, 6045, 6420, 6510, 6634, 6955, 7490, 8060, 8346, 8463, 8988, 9737, 9951, 11235, 11284, 12090, 13020, 13268, 13910, 14105, 14980, 16585, 16692, 16926, 19474, 19902, 20865, 22470, 23219, 24180, 27820, 28210, 29211, 33170, 33852, 38948, 39804, 41730, 42315, 43121, 44940, 46438, 48685, 49755, 56420, 58422, 66340, 69657, 83460, 84630, 86242, 92876, 97370, 99510, 116095, 116844, 129363, 139314, 146055, 169260, 172484, 194740, 199020, 215605, 232190, 258726, 278628, 292110, 301847, 348285, 431210, 464380, 517452, 584220, 603694, 646815, 696570, 862420, 905541, 1207388, 1293630, 1393140, 1509235, 1811082, 2587260, 3018470, 3622164, 4527705, 6036940, 9055410, 18110820]

約数ペア:

[(1, 18110820), (2, 9055410), (3, 6036940), (4, 4527705), (5, 3622164), (6, 3018470), (7, 2587260), (10, 1811082), (12, 1509235), (13, 1393140), (14, 1293630), (15, 1207388), (20, 905541), (21, 862420), (26, 696570), (28, 646815), (30, 603694), (31, 584220), (35, 517452), (39, 464380), (42, 431210), (52, 348285), (60, 301847), (62, 292110), (65, 278628), (70, 258726), (78, 232190), (84, 215605), (91, 199020), (93, 194740), (105, 172484), (107, 169260), (124, 146055), (130, 139314), (140, 129363), (155, 116844), (156, 116095), (182, 99510), (186, 97370), (195, 92876), (210, 86242), (214, 84630), (217, 83460), (260, 69657), (273, 66340), (310, 58422), (321, 56420), (364, 49755), (372, 48685), (390, 46438), (403, 44940), (420, 43121), (428, 42315), (434, 41730), (455, 39804), (465, 38948), (535, 33852), (546, 33170), (620, 29211), (642, 28210), (651, 27820), (749, 24180), (780, 23219), (806, 22470), (868, 20865), (910, 19902), (930, 19474), (1070, 16926), (1085, 16692), (1092, 16585), (1209, 14980), (1284, 14105), (1302, 13910), (1365, 13268), (1391, 13020), (1498, 12090), (1605, 11284), (1612, 11235), (1820, 9951), (1860, 9737), (2015, 8988), (2140, 8463), (2170, 8346), (2247, 8060), (2418, 7490), (2604, 6955), (2730, 6634), (2782, 6510), (2821, 6420), (2996, 6045), (3210, 5642), (3255, 5564), (3317, 5460), (3745, 4836), (4030, 4494), (4173, 4340)]