19753984

素因数分解:

$2^{10}\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 44

約数和(自身を含む): 40088448

約数和(自身を除く): 20334464

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 191, 202, 256, 382, 404, 512, 764, 808, 1024, 1528, 1616, 3056, 3232, 6112, 6464, 12224, 12928, 19291, 24448, 25856, 38582, 48896, 51712, 77164, 97792, 103424, 154328, 195584, 308656, 617312, 1234624, 2469248, 4938496, 9876992, 19753984]

約数ペア:

[(1, 19753984), (2, 9876992), (4, 4938496), (8, 2469248), (16, 1234624), (32, 617312), (64, 308656), (101, 195584), (128, 154328), (191, 103424), (202, 97792), (256, 77164), (382, 51712), (404, 48896), (512, 38582), (764, 25856), (808, 24448), (1024, 19291), (1528, 12928), (1616, 12224), (3056, 6464), (3232, 6112)]