19555744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 42918120

約数和(自身を除く): 23362376

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 1621, 3016, 3242, 6032, 6484, 12064, 12968, 21073, 25936, 42146, 47009, 51872, 84292, 94018, 168584, 188036, 337168, 376072, 611117, 674336, 752144, 1222234, 1504288, 2444468, 4888936, 9777872, 19555744]

約数ペア:

[(1, 19555744), (2, 9777872), (4, 4888936), (8, 2444468), (13, 1504288), (16, 1222234), (26, 752144), (29, 674336), (32, 611117), (52, 376072), (58, 337168), (104, 188036), (116, 168584), (208, 94018), (232, 84292), (377, 51872), (416, 47009), (464, 42146), (754, 25936), (928, 21073), (1508, 12968), (1621, 12064), (3016, 6484), (3242, 6032)]