18694900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 49121856

約数和(自身を除く): 30426956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1571, 1700, 2380, 2975, 3142, 5950, 6284, 7855, 10997, 11900, 15710, 21994, 26707, 31420, 39275, 43988, 53414, 54985, 78550, 106828, 109970, 133535, 157100, 186949, 219940, 267070, 274925, 373898, 534140, 549850, 667675, 747796, 934745, 1099700, 1335350, 1869490, 2670700, 3738980, 4673725, 9347450, 18694900]

約数ペア:

[(1, 18694900), (2, 9347450), (4, 4673725), (5, 3738980), (7, 2670700), (10, 1869490), (14, 1335350), (17, 1099700), (20, 934745), (25, 747796), (28, 667675), (34, 549850), (35, 534140), (50, 373898), (68, 274925), (70, 267070), (85, 219940), (100, 186949), (119, 157100), (140, 133535), (170, 109970), (175, 106828), (238, 78550), (340, 54985), (350, 53414), (425, 43988), (476, 39275), (595, 31420), (700, 26707), (850, 21994), (1190, 15710), (1571, 11900), (1700, 10997), (2380, 7855), (2975, 6284), (3142, 5950)]