19483156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 45759168

約数和(自身を除く): 26276012

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 61, 68, 77, 119, 122, 154, 187, 238, 244, 308, 374, 427, 476, 671, 748, 854, 1037, 1309, 1342, 1708, 2074, 2618, 2684, 3721, 4148, 4697, 5236, 7259, 7442, 9394, 11407, 14518, 14884, 18788, 22814, 26047, 29036, 40931, 45628, 52094, 63257, 79849, 81862, 104188, 126514, 159698, 163724, 253028, 286517, 319396, 442799, 573034, 695827, 885598, 1146068, 1391654, 1771196, 2783308, 4870789, 9741578, 19483156]

約数ペア:

[(1, 19483156), (2, 9741578), (4, 4870789), (7, 2783308), (11, 1771196), (14, 1391654), (17, 1146068), (22, 885598), (28, 695827), (34, 573034), (44, 442799), (61, 319396), (68, 286517), (77, 253028), (119, 163724), (122, 159698), (154, 126514), (187, 104188), (238, 81862), (244, 79849), (308, 63257), (374, 52094), (427, 45628), (476, 40931), (671, 29036), (748, 26047), (854, 22814), (1037, 18788), (1309, 14884), (1342, 14518), (1708, 11407), (2074, 9394), (2618, 7442), (2684, 7259), (3721, 5236), (4148, 4697)]