19075760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 49416480

約数和(自身を除く): 30340720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 409, 424, 440, 530, 583, 818, 848, 880, 1060, 1166, 1636, 2045, 2120, 2332, 2915, 3272, 4090, 4240, 4499, 4664, 5830, 6544, 8180, 8998, 9328, 11660, 16360, 17996, 21677, 22495, 23320, 32720, 35992, 43354, 44990, 46640, 71984, 86708, 89980, 108385, 173416, 179960, 216770, 238447, 346832, 359920, 433540, 476894, 867080, 953788, 1192235, 1734160, 1907576, 2384470, 3815152, 4768940, 9537880, 19075760]

約数ペア:

[(1, 19075760), (2, 9537880), (4, 4768940), (5, 3815152), (8, 2384470), (10, 1907576), (11, 1734160), (16, 1192235), (20, 953788), (22, 867080), (40, 476894), (44, 433540), (53, 359920), (55, 346832), (80, 238447), (88, 216770), (106, 179960), (110, 173416), (176, 108385), (212, 89980), (220, 86708), (265, 71984), (409, 46640), (424, 44990), (440, 43354), (530, 35992), (583, 32720), (818, 23320), (848, 22495), (880, 21677), (1060, 17996), (1166, 16360), (1636, 11660), (2045, 9328), (2120, 8998), (2332, 8180), (2915, 6544), (3272, 5830), (4090, 4664), (4240, 4499)]