19912284

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26339}}^1$

素因数の和:26359

約数の個数: 48

約数和(自身を含む): 59001600

約数和(自身を除く): 39089316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26339, 52678, 79017, 105356, 158034, 184373, 237051, 316068, 368746, 474102, 553119, 711153, 737492, 948204, 1106238, 1422306, 1659357, 2212476, 2844612, 3318714, 4978071, 6637428, 9956142, 19912284]

約数ペア:

[(1, 19912284), (2, 9956142), (3, 6637428), (4, 4978071), (6, 3318714), (7, 2844612), (9, 2212476), (12, 1659357), (14, 1422306), (18, 1106238), (21, 948204), (27, 737492), (28, 711153), (36, 553119), (42, 474102), (54, 368746), (63, 316068), (84, 237051), (108, 184373), (126, 158034), (189, 105356), (252, 79017), (378, 52678), (756, 26339)]