19831552

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 43782480

約数和(自身を除く): 23950928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 101, 104, 118, 128, 202, 208, 236, 256, 404, 416, 472, 767, 808, 832, 944, 1313, 1534, 1616, 1664, 1888, 2626, 3068, 3232, 3328, 3776, 5252, 5959, 6136, 6464, 7552, 10504, 11918, 12272, 12928, 15104, 21008, 23836, 24544, 25856, 42016, 47672, 49088, 77467, 84032, 95344, 98176, 154934, 168064, 190688, 196352, 309868, 336128, 381376, 619736, 762752, 1239472, 1525504, 2478944, 4957888, 9915776, 19831552]

約数ペア:

[(1, 19831552), (2, 9915776), (4, 4957888), (8, 2478944), (13, 1525504), (16, 1239472), (26, 762752), (32, 619736), (52, 381376), (59, 336128), (64, 309868), (101, 196352), (104, 190688), (118, 168064), (128, 154934), (202, 98176), (208, 95344), (236, 84032), (256, 77467), (404, 49088), (416, 47672), (472, 42016), (767, 25856), (808, 24544), (832, 23836), (944, 21008), (1313, 15104), (1534, 12928), (1616, 12272), (1664, 11918), (1888, 10504), (2626, 7552), (3068, 6464), (3232, 6136), (3328, 5959), (3776, 5252)]