19648266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 45069696

約数和(自身を除く): 25421430

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 53, 66, 82, 106, 123, 137, 159, 246, 274, 318, 411, 451, 583, 822, 902, 1166, 1353, 1507, 1749, 2173, 2706, 3014, 3498, 4346, 4521, 5617, 6519, 7261, 9042, 11234, 13038, 14522, 16851, 21783, 23903, 33702, 43566, 47806, 61787, 71709, 79871, 123574, 143418, 159742, 185361, 239613, 297701, 370722, 479226, 595402, 893103, 1786206, 3274711, 6549422, 9824133, 19648266]

約数ペア:

[(1, 19648266), (2, 9824133), (3, 6549422), (6, 3274711), (11, 1786206), (22, 893103), (33, 595402), (41, 479226), (53, 370722), (66, 297701), (82, 239613), (106, 185361), (123, 159742), (137, 143418), (159, 123574), (246, 79871), (274, 71709), (318, 61787), (411, 47806), (451, 43566), (583, 33702), (822, 23903), (902, 21783), (1166, 16851), (1353, 14522), (1507, 13038), (1749, 11234), (2173, 9042), (2706, 7261), (3014, 6519), (3498, 5617), (4346, 4521)]