18892804

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21023996

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 439, 742, 812, 878, 1484, 1537, 1756, 3073, 3074, 6146, 6148, 10759, 12292, 12731, 21518, 23267, 25462, 43036, 46534, 50924, 89117, 93068, 162869, 178234, 325738, 356468, 651476, 674743, 1349486, 2698972, 4723201, 9446402, 18892804]

約数ペア:

[(1, 18892804), (2, 9446402), (4, 4723201), (7, 2698972), (14, 1349486), (28, 674743), (29, 651476), (53, 356468), (58, 325738), (106, 178234), (116, 162869), (203, 93068), (212, 89117), (371, 50924), (406, 46534), (439, 43036), (742, 25462), (812, 23267), (878, 21518), (1484, 12731), (1537, 12292), (1756, 10759), (3073, 6148), (3074, 6146)]