19182420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3947}}^1$

素因数の和:3971

約数の個数: 72

約数和(自身を含む): 60357024

約数和(自身を除く): 41174604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3947, 4860, 7894, 11841, 15788, 19735, 23682, 35523, 39470, 47364, 59205, 71046, 78940, 106569, 118410, 142092, 177615, 213138, 236820, 319707, 355230, 426276, 532845, 639414, 710460, 959121, 1065690, 1278828, 1598535, 1918242, 2131380, 3197070, 3836484, 4795605, 6394140, 9591210, 19182420]

約数ペア:

[(1, 19182420), (2, 9591210), (3, 6394140), (4, 4795605), (5, 3836484), (6, 3197070), (9, 2131380), (10, 1918242), (12, 1598535), (15, 1278828), (18, 1065690), (20, 959121), (27, 710460), (30, 639414), (36, 532845), (45, 426276), (54, 355230), (60, 319707), (81, 236820), (90, 213138), (108, 177615), (135, 142092), (162, 118410), (180, 106569), (243, 78940), (270, 71046), (324, 59205), (405, 47364), (486, 39470), (540, 35523), (810, 23682), (972, 19735), (1215, 15788), (1620, 11841), (2430, 7894), (3947, 4860)]