19405384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3037

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 19798616

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 2969, 3268, 5938, 6536, 11876, 23752, 56411, 112822, 127667, 225644, 255334, 451288, 510668, 1021336, 2425673, 4851346, 9702692, 19405384]

約数ペア:

[(1, 19405384), (2, 9702692), (4, 4851346), (8, 2425673), (19, 1021336), (38, 510668), (43, 451288), (76, 255334), (86, 225644), (152, 127667), (172, 112822), (344, 56411), (817, 23752), (1634, 11876), (2969, 6536), (3268, 5938)]