19969146

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 46694400

約数和(自身を除く): 26725254

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 79, 93, 151, 158, 186, 237, 279, 302, 453, 474, 558, 711, 837, 906, 1359, 1422, 1674, 2133, 2449, 2718, 4077, 4266, 4681, 4898, 7347, 8154, 9362, 11929, 14043, 14694, 22041, 23858, 28086, 35787, 42129, 44082, 66123, 71574, 84258, 107361, 126387, 132246, 214722, 252774, 322083, 369799, 644166, 739598, 1109397, 2218794, 3328191, 6656382, 9984573, 19969146]

約数ペア:

[(1, 19969146), (2, 9984573), (3, 6656382), (6, 3328191), (9, 2218794), (18, 1109397), (27, 739598), (31, 644166), (54, 369799), (62, 322083), (79, 252774), (93, 214722), (151, 132246), (158, 126387), (186, 107361), (237, 84258), (279, 71574), (302, 66123), (453, 44082), (474, 42129), (558, 35787), (711, 28086), (837, 23858), (906, 22041), (1359, 14694), (1422, 14043), (1674, 11929), (2133, 9362), (2449, 8154), (2718, 7347), (4077, 4898), (4266, 4681)]