18262790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 42747264

約数和(自身を除く): 24484474

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 49, 61, 65, 70, 91, 94, 98, 122, 130, 182, 235, 245, 305, 329, 427, 455, 470, 490, 610, 611, 637, 658, 793, 854, 910, 1222, 1274, 1586, 1645, 2135, 2303, 2867, 2989, 3055, 3185, 3290, 3965, 4270, 4277, 4606, 5551, 5734, 5978, 6110, 6370, 7930, 8554, 11102, 11515, 14335, 14945, 20069, 21385, 23030, 27755, 28670, 29890, 29939, 37271, 38857, 40138, 42770, 55510, 59878, 74542, 77714, 100345, 140483, 149695, 186355, 194285, 200690, 260897, 280966, 299390, 372710, 388570, 521794, 702415, 1304485, 1404830, 1826279, 2608970, 3652558, 9131395, 18262790]

約数ペア:

[(1, 18262790), (2, 9131395), (5, 3652558), (7, 2608970), (10, 1826279), (13, 1404830), (14, 1304485), (26, 702415), (35, 521794), (47, 388570), (49, 372710), (61, 299390), (65, 280966), (70, 260897), (91, 200690), (94, 194285), (98, 186355), (122, 149695), (130, 140483), (182, 100345), (235, 77714), (245, 74542), (305, 59878), (329, 55510), (427, 42770), (455, 40138), (470, 38857), (490, 37271), (610, 29939), (611, 29890), (637, 28670), (658, 27755), (793, 23030), (854, 21385), (910, 20069), (1222, 14945), (1274, 14335), (1586, 11515), (1645, 11102), (2135, 8554), (2303, 7930), (2867, 6370), (2989, 6110), (3055, 5978), (3185, 5734), (3290, 5551), (3965, 4606), (4270, 4277)]