19003839760

素因数分解:

$2^4\times 5^1\times {\mathrm{4357}}^1\times {\mathrm{54521}}^1$

素因数の和:58891

約数の個数: 40

約数和(自身を含む): 44194878936

約数和(自身を除く): 25191039176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4357, 8714, 17428, 21785, 34856, 43570, 54521, 69712, 87140, 109042, 174280, 218084, 272605, 348560, 436168, 545210, 872336, 1090420, 2180840, 4361680, 237547997, 475095994, 950191988, 1187739985, 1900383976, 2375479970, 3800767952, 4750959940, 9501919880, 19003839760]

約数ペア:

[(1, 19003839760), (2, 9501919880), (4, 4750959940), (5, 3800767952), (8, 2375479970), (10, 1900383976), (16, 1187739985), (20, 950191988), (40, 475095994), (80, 237547997), (4357, 4361680), (8714, 2180840), (17428, 1090420), (21785, 872336), (34856, 545210), (43570, 436168), (54521, 348560), (69712, 272605), (87140, 218084), (109042, 174280)]