18441540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 45909180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 37, 39, 45, 52, 54, 60, 65, 71, 74, 78, 90, 108, 111, 117, 130, 135, 142, 148, 156, 180, 185, 195, 213, 222, 234, 260, 270, 284, 333, 351, 355, 370, 390, 426, 444, 468, 481, 540, 555, 585, 639, 666, 702, 710, 740, 780, 852, 923, 962, 999, 1065, 1110, 1170, 1278, 1332, 1404, 1420, 1443, 1665, 1755, 1846, 1917, 1924, 1998, 2130, 2220, 2340, 2405, 2556, 2627, 2769, 2886, 3195, 3330, 3510, 3692, 3834, 3996, 4260, 4329, 4615, 4810, 4995, 5254, 5538, 5772, 6390, 6660, 7020, 7215, 7668, 7881, 8307, 8658, 9230, 9585, 9620, 9990, 10508, 11076, 12780, 12987, 13135, 13845, 14430, 15762, 16614, 17316, 18460, 19170, 19980, 21645, 23643, 24921, 25974, 26270, 27690, 28860, 31524, 33228, 34151, 38340, 39405, 41535, 43290, 47286, 49842, 51948, 52540, 55380, 64935, 68302, 70929, 78810, 83070, 86580, 94572, 99684, 102453, 118215, 124605, 129870, 136604, 141858, 157620, 166140, 170755, 204906, 236430, 249210, 259740, 283716, 307359, 341510, 354645, 409812, 472860, 498420, 512265, 614718, 683020, 709290, 922077, 1024530, 1229436, 1418580, 1536795, 1844154, 2049060, 3073590, 3688308, 4610385, 6147180, 9220770, 18441540]

約数ペア:

[(1, 18441540), (2, 9220770), (3, 6147180), (4, 4610385), (5, 3688308), (6, 3073590), (9, 2049060), (10, 1844154), (12, 1536795), (13, 1418580), (15, 1229436), (18, 1024530), (20, 922077), (26, 709290), (27, 683020), (30, 614718), (36, 512265), (37, 498420), (39, 472860), (45, 409812), (52, 354645), (54, 341510), (60, 307359), (65, 283716), (71, 259740), (74, 249210), (78, 236430), (90, 204906), (108, 170755), (111, 166140), (117, 157620), (130, 141858), (135, 136604), (142, 129870), (148, 124605), (156, 118215), (180, 102453), (185, 99684), (195, 94572), (213, 86580), (222, 83070), (234, 78810), (260, 70929), (270, 68302), (284, 64935), (333, 55380), (351, 52540), (355, 51948), (370, 49842), (390, 47286), (426, 43290), (444, 41535), (468, 39405), (481, 38340), (540, 34151), (555, 33228), (585, 31524), (639, 28860), (666, 27690), (702, 26270), (710, 25974), (740, 24921), (780, 23643), (852, 21645), (923, 19980), (962, 19170), (999, 18460), (1065, 17316), (1110, 16614), (1170, 15762), (1278, 14430), (1332, 13845), (1404, 13135), (1420, 12987), (1443, 12780), (1665, 11076), (1755, 10508), (1846, 9990), (1917, 9620), (1924, 9585), (1998, 9230), (2130, 8658), (2220, 8307), (2340, 7881), (2405, 7668), (2556, 7215), (2627, 7020), (2769, 6660), (2886, 6390), (3195, 5772), (3330, 5538), (3510, 5254), (3692, 4995), (3834, 4810), (3996, 4615), (4260, 4329)]