17812956620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{881}}^1$

素因数の和:1323

約数の個数: 96

約数和(自身を含む): 39020667840

約数和(自身を除く): 21207711220

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 307, 356, 370, 445, 614, 740, 881, 890, 1228, 1535, 1762, 1780, 3070, 3293, 3524, 4405, 6140, 6586, 8810, 11359, 13172, 16465, 17620, 22718, 27323, 32597, 32930, 45436, 54646, 56795, 65194, 65860, 78409, 109292, 113590, 130388, 136615, 156818, 162985, 227180, 270467, 273230, 313636, 325970, 392045, 540934, 546460, 651940, 784090, 1010951, 1081868, 1352335, 1568180, 2021902, 2704670, 2901133, 4043804, 5054755, 5409340, 5802266, 10007279, 10109510, 11604532, 14505665, 20014558, 20219020, 24071563, 29011330, 40029116, 48143126, 50036395, 58022660, 96286252, 100072790, 120357815, 200145580, 240715630, 481431260, 890647831, 1781295662, 3562591324, 4453239155, 8906478310, 17812956620]

約数ペア:

[(1, 17812956620), (2, 8906478310), (4, 4453239155), (5, 3562591324), (10, 1781295662), (20, 890647831), (37, 481431260), (74, 240715630), (89, 200145580), (148, 120357815), (178, 100072790), (185, 96286252), (307, 58022660), (356, 50036395), (370, 48143126), (445, 40029116), (614, 29011330), (740, 24071563), (881, 20219020), (890, 20014558), (1228, 14505665), (1535, 11604532), (1762, 10109510), (1780, 10007279), (3070, 5802266), (3293, 5409340), (3524, 5054755), (4405, 4043804), (6140, 2901133), (6586, 2704670), (8810, 2021902), (11359, 1568180), (13172, 1352335), (16465, 1081868), (17620, 1010951), (22718, 784090), (27323, 651940), (32597, 546460), (32930, 540934), (45436, 392045), (54646, 325970), (56795, 313636), (65194, 273230), (65860, 270467), (78409, 227180), (109292, 162985), (113590, 156818), (130388, 136615)]