19803472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5011}}^1$

素因数の和:5051

約数の個数: 40

約数和(自身を含む): 43504160

約数和(自身を除く): 23700688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5011, 10022, 20044, 40088, 65143, 80176, 95209, 130286, 190418, 260572, 380836, 521144, 761672, 1042288, 1237717, 1523344, 2475434, 4950868, 9901736, 19803472]

約数ペア:

[(1, 19803472), (2, 9901736), (4, 4950868), (8, 2475434), (13, 1523344), (16, 1237717), (19, 1042288), (26, 761672), (38, 521144), (52, 380836), (76, 260572), (104, 190418), (152, 130286), (208, 95209), (247, 80176), (304, 65143), (494, 40088), (988, 20044), (1976, 10022), (3952, 5011)]