19092880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5821}}^1$

素因数の和:5875

約数の個数: 40

約数和(自身を含む): 45481464

約数和(自身を除く): 26388584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5821, 11642, 23284, 29105, 46568, 58210, 93136, 116420, 232840, 238661, 465680, 477322, 954644, 1193305, 1909288, 2386610, 3818576, 4773220, 9546440, 19092880]

約数ペア:

[(1, 19092880), (2, 9546440), (4, 4773220), (5, 3818576), (8, 2386610), (10, 1909288), (16, 1193305), (20, 954644), (40, 477322), (41, 465680), (80, 238661), (82, 232840), (164, 116420), (205, 93136), (328, 58210), (410, 46568), (656, 29105), (820, 23284), (1640, 11642), (3280, 5821)]