18461690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 19640710

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 59, 65, 83, 118, 130, 145, 166, 290, 295, 377, 415, 590, 754, 767, 830, 1079, 1534, 1711, 1885, 2158, 2407, 3422, 3770, 3835, 4814, 4897, 5395, 7670, 8555, 9794, 10790, 12035, 17110, 22243, 24070, 24485, 31291, 44486, 48970, 62582, 63661, 111215, 127322, 142013, 156455, 222430, 284026, 312910, 318305, 636610, 710065, 1420130, 1846169, 3692338, 9230845, 18461690]

約数ペア:

[(1, 18461690), (2, 9230845), (5, 3692338), (10, 1846169), (13, 1420130), (26, 710065), (29, 636610), (58, 318305), (59, 312910), (65, 284026), (83, 222430), (118, 156455), (130, 142013), (145, 127322), (166, 111215), (290, 63661), (295, 62582), (377, 48970), (415, 44486), (590, 31291), (754, 24485), (767, 24070), (830, 22243), (1079, 17110), (1534, 12035), (1711, 10790), (1885, 9794), (2158, 8555), (2407, 7670), (3422, 5395), (3770, 4897), (3835, 4814)]