19893536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 46675440

約数和(自身を除く): 26781904

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 32, 34, 52, 58, 68, 97, 104, 116, 136, 194, 208, 221, 232, 272, 377, 388, 416, 442, 464, 493, 544, 754, 776, 884, 928, 986, 1261, 1508, 1552, 1649, 1768, 1972, 2522, 2813, 3016, 3104, 3298, 3536, 3944, 5044, 5626, 6032, 6409, 6596, 7072, 7888, 10088, 11252, 12064, 12818, 13192, 15776, 20176, 21437, 22504, 25636, 26384, 36569, 40352, 42874, 45008, 47821, 51272, 52768, 73138, 85748, 90016, 95642, 102544, 146276, 171496, 191284, 205088, 292552, 342992, 382568, 585104, 621673, 685984, 765136, 1170208, 1243346, 1530272, 2486692, 4973384, 9946768, 19893536]

約数ペア:

[(1, 19893536), (2, 9946768), (4, 4973384), (8, 2486692), (13, 1530272), (16, 1243346), (17, 1170208), (26, 765136), (29, 685984), (32, 621673), (34, 585104), (52, 382568), (58, 342992), (68, 292552), (97, 205088), (104, 191284), (116, 171496), (136, 146276), (194, 102544), (208, 95642), (221, 90016), (232, 85748), (272, 73138), (377, 52768), (388, 51272), (416, 47821), (442, 45008), (464, 42874), (493, 40352), (544, 36569), (754, 26384), (776, 25636), (884, 22504), (928, 21437), (986, 20176), (1261, 15776), (1508, 13192), (1552, 12818), (1649, 12064), (1768, 11252), (1972, 10088), (2522, 7888), (2813, 7072), (3016, 6596), (3104, 6409), (3298, 6032), (3536, 5626), (3944, 5044)]