18338670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 57876480

約数和(自身を除く): 39537810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 313, 315, 378, 434, 465, 558, 626, 630, 651, 837, 930, 939, 945, 1085, 1302, 1395, 1565, 1674, 1878, 1890, 1953, 2170, 2191, 2790, 2817, 3130, 3255, 3906, 4185, 4382, 4695, 5634, 5859, 6510, 6573, 8370, 8451, 9390, 9703, 9765, 10955, 11718, 13146, 14085, 16902, 19406, 19530, 19719, 21910, 28170, 29109, 29295, 32865, 39438, 42255, 48515, 58218, 58590, 59157, 65730, 67921, 84510, 87327, 97030, 98595, 118314, 135842, 145545, 174654, 197190, 203763, 261981, 291090, 295785, 339605, 407526, 436635, 523962, 591570, 611289, 679210, 873270, 1018815, 1222578, 1309905, 1833867, 2037630, 2619810, 3056445, 3667734, 6112890, 9169335, 18338670]

約数ペア:

[(1, 18338670), (2, 9169335), (3, 6112890), (5, 3667734), (6, 3056445), (7, 2619810), (9, 2037630), (10, 1833867), (14, 1309905), (15, 1222578), (18, 1018815), (21, 873270), (27, 679210), (30, 611289), (31, 591570), (35, 523962), (42, 436635), (45, 407526), (54, 339605), (62, 295785), (63, 291090), (70, 261981), (90, 203763), (93, 197190), (105, 174654), (126, 145545), (135, 135842), (155, 118314), (186, 98595), (189, 97030), (210, 87327), (217, 84510), (270, 67921), (279, 65730), (310, 59157), (313, 58590), (315, 58218), (378, 48515), (434, 42255), (465, 39438), (558, 32865), (626, 29295), (630, 29109), (651, 28170), (837, 21910), (930, 19719), (939, 19530), (945, 19406), (1085, 16902), (1302, 14085), (1395, 13146), (1565, 11718), (1674, 10955), (1878, 9765), (1890, 9703), (1953, 9390), (2170, 8451), (2191, 8370), (2790, 6573), (2817, 6510), (3130, 5859), (3255, 5634), (3906, 4695), (4185, 4382)]