19748696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 43908480

約数和(自身を除く): 24159784

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 187, 307, 344, 374, 473, 614, 731, 748, 946, 1228, 1462, 1496, 1892, 2456, 2924, 3377, 3784, 5219, 5848, 6754, 8041, 10438, 13201, 13508, 16082, 20876, 26402, 27016, 32164, 41752, 52804, 57409, 64328, 105608, 114818, 145211, 224417, 229636, 290422, 448834, 459272, 580844, 897668, 1161688, 1795336, 2468587, 4937174, 9874348, 19748696]

約数ペア:

[(1, 19748696), (2, 9874348), (4, 4937174), (8, 2468587), (11, 1795336), (17, 1161688), (22, 897668), (34, 580844), (43, 459272), (44, 448834), (68, 290422), (86, 229636), (88, 224417), (136, 145211), (172, 114818), (187, 105608), (307, 64328), (344, 57409), (374, 52804), (473, 41752), (614, 32164), (731, 27016), (748, 26402), (946, 20876), (1228, 16082), (1462, 13508), (1496, 13201), (1892, 10438), (2456, 8041), (2924, 6754), (3377, 5848), (3784, 5219)]