19340560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14221}}^1$

素因数の和:14251

約数の個数: 40

約数和(自身を含む): 47615256

約数和(自身を除く): 28274696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14221, 28442, 56884, 71105, 113768, 142210, 227536, 241757, 284420, 483514, 568840, 967028, 1137680, 1208785, 1934056, 2417570, 3868112, 4835140, 9670280, 19340560]

約数ペア:

[(1, 19340560), (2, 9670280), (4, 4835140), (5, 3868112), (8, 2417570), (10, 1934056), (16, 1208785), (17, 1137680), (20, 967028), (34, 568840), (40, 483514), (68, 284420), (80, 241757), (85, 227536), (136, 142210), (170, 113768), (272, 71105), (340, 56884), (680, 28442), (1360, 14221)]