19115776

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 36

約数和(自身を含む): 38631600

約数和(自身を除く): 19515824

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 839, 1424, 1678, 2848, 3356, 5696, 6712, 11392, 13424, 22784, 26848, 53696, 74671, 107392, 149342, 214784, 298684, 597368, 1194736, 2389472, 4778944, 9557888, 19115776]

約数ペア:

[(1, 19115776), (2, 9557888), (4, 4778944), (8, 2389472), (16, 1194736), (32, 597368), (64, 298684), (89, 214784), (128, 149342), (178, 107392), (256, 74671), (356, 53696), (712, 26848), (839, 22784), (1424, 13424), (1678, 11392), (2848, 6712), (3356, 5696)]