19097776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 38836800

約数和(自身を除く): 19739024

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 464, 521, 632, 1042, 1264, 2084, 2291, 4168, 4582, 8336, 9164, 15109, 18328, 30218, 36656, 41159, 60436, 82318, 120872, 164636, 241744, 329272, 658544, 1193611, 2387222, 4774444, 9548888, 19097776]

約数ペア:

[(1, 19097776), (2, 9548888), (4, 4774444), (8, 2387222), (16, 1193611), (29, 658544), (58, 329272), (79, 241744), (116, 164636), (158, 120872), (232, 82318), (316, 60436), (464, 41159), (521, 36656), (632, 30218), (1042, 18328), (1264, 15109), (2084, 9164), (2291, 8336), (4168, 4582)]