18963420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 61275648

約数和(自身を除く): 42312228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 277, 326, 420, 489, 554, 652, 815, 831, 978, 1108, 1141, 1385, 1630, 1662, 1939, 1956, 2282, 2445, 2770, 3260, 3324, 3423, 3878, 4155, 4564, 4890, 5540, 5705, 5817, 6846, 7756, 8310, 9695, 9780, 11410, 11634, 13692, 16620, 17115, 19390, 22820, 23268, 29085, 34230, 38780, 45151, 58170, 68460, 90302, 116340, 135453, 180604, 225755, 270906, 316057, 451510, 541812, 632114, 677265, 903020, 948171, 1264228, 1354530, 1580285, 1896342, 2709060, 3160570, 3792684, 4740855, 6321140, 9481710, 18963420]

約数ペア:

[(1, 18963420), (2, 9481710), (3, 6321140), (4, 4740855), (5, 3792684), (6, 3160570), (7, 2709060), (10, 1896342), (12, 1580285), (14, 1354530), (15, 1264228), (20, 948171), (21, 903020), (28, 677265), (30, 632114), (35, 541812), (42, 451510), (60, 316057), (70, 270906), (84, 225755), (105, 180604), (140, 135453), (163, 116340), (210, 90302), (277, 68460), (326, 58170), (420, 45151), (489, 38780), (554, 34230), (652, 29085), (815, 23268), (831, 22820), (978, 19390), (1108, 17115), (1141, 16620), (1385, 13692), (1630, 11634), (1662, 11410), (1939, 9780), (1956, 9695), (2282, 8310), (2445, 7756), (2770, 6846), (3260, 5817), (3324, 5705), (3423, 5540), (3878, 4890), (4155, 4564)]