19161750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 30371370

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 174, 250, 290, 375, 435, 725, 750, 870, 881, 1450, 1762, 2175, 2643, 3625, 4350, 4405, 5286, 7250, 8810, 10875, 13215, 21750, 22025, 25549, 26430, 44050, 51098, 66075, 76647, 110125, 127745, 132150, 153294, 220250, 255490, 330375, 383235, 638725, 660750, 766470, 1277450, 1916175, 3193625, 3832350, 6387250, 9580875, 19161750]

約数ペア:

[(1, 19161750), (2, 9580875), (3, 6387250), (5, 3832350), (6, 3193625), (10, 1916175), (15, 1277450), (25, 766470), (29, 660750), (30, 638725), (50, 383235), (58, 330375), (75, 255490), (87, 220250), (125, 153294), (145, 132150), (150, 127745), (174, 110125), (250, 76647), (290, 66075), (375, 51098), (435, 44050), (725, 26430), (750, 25549), (870, 22025), (881, 21750), (1450, 13215), (1762, 10875), (2175, 8810), (2643, 7250), (3625, 5286), (4350, 4405)]