18920200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 31076600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 383, 475, 494, 520, 650, 760, 766, 950, 988, 1235, 1300, 1532, 1900, 1915, 1976, 2470, 2600, 3064, 3800, 3830, 4940, 4979, 6175, 7277, 7660, 9575, 9880, 9958, 12350, 14554, 15320, 19150, 19916, 24700, 24895, 29108, 36385, 38300, 39832, 49400, 49790, 58216, 72770, 76600, 94601, 99580, 124475, 145540, 181925, 189202, 199160, 248950, 291080, 363850, 378404, 473005, 497900, 727700, 756808, 946010, 995800, 1455400, 1892020, 2365025, 3784040, 4730050, 9460100, 18920200]

約数ペア:

[(1, 18920200), (2, 9460100), (4, 4730050), (5, 3784040), (8, 2365025), (10, 1892020), (13, 1455400), (19, 995800), (20, 946010), (25, 756808), (26, 727700), (38, 497900), (40, 473005), (50, 378404), (52, 363850), (65, 291080), (76, 248950), (95, 199160), (100, 189202), (104, 181925), (130, 145540), (152, 124475), (190, 99580), (200, 94601), (247, 76600), (260, 72770), (325, 58216), (380, 49790), (383, 49400), (475, 39832), (494, 38300), (520, 36385), (650, 29108), (760, 24895), (766, 24700), (950, 19916), (988, 19150), (1235, 15320), (1300, 14554), (1532, 12350), (1900, 9958), (1915, 9880), (1976, 9575), (2470, 7660), (2600, 7277), (3064, 6175), (3800, 4979), (3830, 4940)]