18579420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 56727216

約数和(自身を除く): 38147796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 443, 466, 699, 886, 932, 1165, 1329, 1398, 1772, 2097, 2215, 2330, 2658, 2796, 3495, 3987, 4194, 4430, 4660, 5316, 6645, 6990, 7974, 8388, 8860, 10485, 13290, 13980, 15948, 19935, 20970, 26580, 39870, 41940, 79740, 103219, 206438, 309657, 412876, 516095, 619314, 928971, 1032190, 1238628, 1548285, 1857942, 2064380, 3096570, 3715884, 4644855, 6193140, 9289710, 18579420]

約数ペア:

[(1, 18579420), (2, 9289710), (3, 6193140), (4, 4644855), (5, 3715884), (6, 3096570), (9, 2064380), (10, 1857942), (12, 1548285), (15, 1238628), (18, 1032190), (20, 928971), (30, 619314), (36, 516095), (45, 412876), (60, 309657), (90, 206438), (180, 103219), (233, 79740), (443, 41940), (466, 39870), (699, 26580), (886, 20970), (932, 19935), (1165, 15948), (1329, 13980), (1398, 13290), (1772, 10485), (2097, 8860), (2215, 8388), (2330, 7974), (2658, 6990), (2796, 6645), (3495, 5316), (3987, 4660), (4194, 4430)]