19661304

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 57153600

約数和(自身を除く): 37492296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 41, 52, 53, 58, 78, 82, 87, 104, 106, 116, 123, 156, 159, 164, 174, 212, 232, 246, 312, 318, 328, 348, 377, 424, 492, 533, 636, 689, 696, 754, 984, 1066, 1131, 1189, 1272, 1378, 1508, 1537, 1599, 2067, 2132, 2173, 2262, 2378, 2756, 3016, 3074, 3198, 3567, 4134, 4264, 4346, 4524, 4611, 4756, 5512, 6148, 6396, 6519, 7134, 8268, 8692, 9048, 9222, 9512, 12296, 12792, 13038, 14268, 15457, 16536, 17384, 18444, 19981, 26076, 28249, 28536, 30914, 36888, 39962, 46371, 52152, 56498, 59943, 61828, 63017, 79924, 84747, 92742, 112996, 119886, 123656, 126034, 159848, 169494, 185484, 189051, 225992, 239772, 252068, 338988, 370968, 378102, 479544, 504136, 677976, 756204, 819221, 1512408, 1638442, 2457663, 3276884, 4915326, 6553768, 9830652, 19661304]

約数ペア:

[(1, 19661304), (2, 9830652), (3, 6553768), (4, 4915326), (6, 3276884), (8, 2457663), (12, 1638442), (13, 1512408), (24, 819221), (26, 756204), (29, 677976), (39, 504136), (41, 479544), (52, 378102), (53, 370968), (58, 338988), (78, 252068), (82, 239772), (87, 225992), (104, 189051), (106, 185484), (116, 169494), (123, 159848), (156, 126034), (159, 123656), (164, 119886), (174, 112996), (212, 92742), (232, 84747), (246, 79924), (312, 63017), (318, 61828), (328, 59943), (348, 56498), (377, 52152), (424, 46371), (492, 39962), (533, 36888), (636, 30914), (689, 28536), (696, 28249), (754, 26076), (984, 19981), (1066, 18444), (1131, 17384), (1189, 16536), (1272, 15457), (1378, 14268), (1508, 13038), (1537, 12792), (1599, 12296), (2067, 9512), (2132, 9222), (2173, 9048), (2262, 8692), (2378, 8268), (2756, 7134), (3016, 6519), (3074, 6396), (3198, 6148), (3567, 5512), (4134, 4756), (4264, 4611), (4346, 4524)]