19403824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2749

約数の個数: 40

約数和(自身を含む): 42028560

約数和(自身を除く): 22624736

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2689, 3608, 5378, 7216, 10756, 21512, 29579, 43024, 59158, 110249, 118316, 220498, 236632, 440996, 473264, 881992, 1212739, 1763984, 2425478, 4850956, 9701912, 19403824]

約数ペア:

[(1, 19403824), (2, 9701912), (4, 4850956), (8, 2425478), (11, 1763984), (16, 1212739), (22, 881992), (41, 473264), (44, 440996), (82, 236632), (88, 220498), (164, 118316), (176, 110249), (328, 59158), (451, 43024), (656, 29579), (902, 21512), (1804, 10756), (2689, 7216), (3608, 5378)]