189217808

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 435686400

約数和(自身を除く): 246468592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 38, 52, 58, 76, 104, 116, 127, 152, 169, 208, 232, 247, 254, 304, 338, 377, 464, 494, 508, 551, 676, 754, 988, 1016, 1102, 1352, 1508, 1651, 1976, 2032, 2204, 2413, 2704, 3016, 3211, 3302, 3683, 3952, 4408, 4826, 4901, 6032, 6422, 6604, 7163, 7366, 8816, 9652, 9802, 12844, 13208, 14326, 14732, 19304, 19604, 21463, 25688, 26416, 28652, 29464, 31369, 38608, 39208, 42926, 47879, 51376, 57304, 58928, 62738, 69977, 78416, 85852, 93119, 95758, 114608, 125476, 139954, 171704, 186238, 191516, 250952, 279908, 343408, 372476, 383032, 407797, 501904, 559816, 622427, 744952, 766064, 815594, 909701, 1119632, 1244854, 1489904, 1631188, 1819402, 2489708, 3262376, 3638804, 4979416, 6524752, 7277608, 9958832, 11826113, 14555216, 23652226, 47304452, 94608904, 189217808]

約数ペア:

[(1, 189217808), (2, 94608904), (4, 47304452), (8, 23652226), (13, 14555216), (16, 11826113), (19, 9958832), (26, 7277608), (29, 6524752), (38, 4979416), (52, 3638804), (58, 3262376), (76, 2489708), (104, 1819402), (116, 1631188), (127, 1489904), (152, 1244854), (169, 1119632), (208, 909701), (232, 815594), (247, 766064), (254, 744952), (304, 622427), (338, 559816), (377, 501904), (464, 407797), (494, 383032), (508, 372476), (551, 343408), (676, 279908), (754, 250952), (988, 191516), (1016, 186238), (1102, 171704), (1352, 139954), (1508, 125476), (1651, 114608), (1976, 95758), (2032, 93119), (2204, 85852), (2413, 78416), (2704, 69977), (3016, 62738), (3211, 58928), (3302, 57304), (3683, 51376), (3952, 47879), (4408, 42926), (4826, 39208), (4901, 38608), (6032, 31369), (6422, 29464), (6604, 28652), (7163, 26416), (7366, 25688), (8816, 21463), (9652, 19604), (9802, 19304), (12844, 14732), (13208, 14326)]