19700512

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 26022368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 29, 32, 46, 52, 58, 71, 92, 104, 116, 142, 184, 208, 232, 284, 299, 368, 377, 416, 464, 568, 598, 667, 736, 754, 923, 928, 1136, 1196, 1334, 1508, 1633, 1846, 2059, 2272, 2392, 2668, 3016, 3266, 3692, 4118, 4784, 5336, 6032, 6532, 7384, 8236, 8671, 9568, 10672, 12064, 13064, 14768, 16472, 17342, 21229, 21344, 26128, 26767, 29536, 32944, 34684, 42458, 47357, 52256, 53534, 65888, 69368, 84916, 94714, 107068, 138736, 169832, 189428, 214136, 277472, 339664, 378856, 428272, 615641, 679328, 757712, 856544, 1231282, 1515424, 2462564, 4925128, 9850256, 19700512]

約数ペア:

[(1, 19700512), (2, 9850256), (4, 4925128), (8, 2462564), (13, 1515424), (16, 1231282), (23, 856544), (26, 757712), (29, 679328), (32, 615641), (46, 428272), (52, 378856), (58, 339664), (71, 277472), (92, 214136), (104, 189428), (116, 169832), (142, 138736), (184, 107068), (208, 94714), (232, 84916), (284, 69368), (299, 65888), (368, 53534), (377, 52256), (416, 47357), (464, 42458), (568, 34684), (598, 32944), (667, 29536), (736, 26767), (754, 26128), (923, 21344), (928, 21229), (1136, 17342), (1196, 16472), (1334, 14768), (1508, 13064), (1633, 12064), (1846, 10672), (2059, 9568), (2272, 8671), (2392, 8236), (2668, 7384), (3016, 6532), (3266, 6032), (3692, 5336), (4118, 4784)]