18742372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6983}}^1$

素因数の和:7059

約数の個数: 24

約数和(自身を含む): 36372672

約数和(自身を除く): 17630300

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6983, 13966, 27932, 76813, 153626, 307252, 425963, 851926, 1703852, 4685593, 9371186, 18742372]

約数ペア:

[(1, 18742372), (2, 9371186), (4, 4685593), (11, 1703852), (22, 851926), (44, 425963), (61, 307252), (122, 153626), (244, 76813), (671, 27932), (1342, 13966), (2684, 6983)]