18240058655

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 28061203968

約数和(自身を除く): 9821145313

約数列:

[1, 5, 7, 13, 35, 49, 61, 65, 91, 223, 245, 305, 421, 427, 455, 637, 793, 1115, 1561, 2105, 2135, 2899, 2947, 2989, 3185, 3965, 5473, 5551, 7805, 10927, 13603, 14495, 14735, 14945, 20293, 20629, 25681, 27365, 27755, 38311, 38857, 54635, 68015, 93883, 95221, 101465, 103145, 128405, 142051, 176839, 179767, 191555, 194285, 268177, 333853, 469415, 476105, 657181, 666547, 710255, 884195, 898835, 1220479, 1237873, 1258369, 1340885, 1669265, 2336971, 3285905, 3332735, 4600267, 5726863, 6102395, 6189365, 6291845, 8543353, 8665111, 11684855, 16358797, 23001335, 28634315, 40088041, 42716765, 43325555, 59803471, 74449219, 81793985, 200440205, 280616287, 299017355, 372246095, 521144533, 1403081435, 2605722665, 3648011731, 18240058655]

約数ペア:

[(1, 18240058655), (5, 3648011731), (7, 2605722665), (13, 1403081435), (35, 521144533), (49, 372246095), (61, 299017355), (65, 280616287), (91, 200440205), (223, 81793985), (245, 74449219), (305, 59803471), (421, 43325555), (427, 42716765), (455, 40088041), (637, 28634315), (793, 23001335), (1115, 16358797), (1561, 11684855), (2105, 8665111), (2135, 8543353), (2899, 6291845), (2947, 6189365), (2989, 6102395), (3185, 5726863), (3965, 4600267), (5473, 3332735), (5551, 3285905), (7805, 2336971), (10927, 1669265), (13603, 1340885), (14495, 1258369), (14735, 1237873), (14945, 1220479), (20293, 898835), (20629, 884195), (25681, 710255), (27365, 666547), (27755, 657181), (38311, 476105), (38857, 469415), (54635, 333853), (68015, 268177), (93883, 194285), (95221, 191555), (101465, 179767), (103145, 176839), (128405, 142051)]