19620356

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 41274240

約数和(自身を除く): 21653884

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 73, 116, 146, 203, 292, 331, 406, 511, 662, 812, 1022, 1324, 2044, 2117, 2317, 4234, 4634, 8468, 9268, 9599, 14819, 19198, 24163, 29638, 38396, 48326, 59276, 67193, 96652, 134386, 169141, 268772, 338282, 676564, 700727, 1401454, 2802908, 4905089, 9810178, 19620356]

約数ペア:

[(1, 19620356), (2, 9810178), (4, 4905089), (7, 2802908), (14, 1401454), (28, 700727), (29, 676564), (58, 338282), (73, 268772), (116, 169141), (146, 134386), (203, 96652), (292, 67193), (331, 59276), (406, 48326), (511, 38396), (662, 29638), (812, 24163), (1022, 19198), (1324, 14819), (2044, 9599), (2117, 9268), (2317, 8468), (4234, 4634)]