18984154

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18340646

約数列:

[1, 2, 7, 14, 19, 23, 29, 38, 46, 58, 107, 133, 161, 203, 214, 266, 322, 406, 437, 551, 667, 749, 874, 1102, 1334, 1498, 2033, 2461, 3059, 3103, 3857, 4066, 4669, 4922, 6118, 6206, 7714, 9338, 12673, 14231, 17227, 21721, 25346, 28462, 34454, 43442, 46759, 58957, 71369, 88711, 93518, 117914, 142738, 177422, 327313, 412699, 499583, 654626, 825398, 999166, 1356011, 2712022, 9492077, 18984154]

約数ペア:

[(1, 18984154), (2, 9492077), (7, 2712022), (14, 1356011), (19, 999166), (23, 825398), (29, 654626), (38, 499583), (46, 412699), (58, 327313), (107, 177422), (133, 142738), (161, 117914), (203, 93518), (214, 88711), (266, 71369), (322, 58957), (406, 46759), (437, 43442), (551, 34454), (667, 28462), (749, 25346), (874, 21721), (1102, 17227), (1334, 14231), (1498, 12673), (2033, 9338), (2461, 7714), (3059, 6206), (3103, 6118), (3857, 4922), (4066, 4669)]