19834784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 44069508

約数和(自身を除く): 24234724

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 101, 136, 152, 202, 272, 304, 323, 361, 404, 544, 608, 646, 722, 808, 1292, 1444, 1616, 1717, 1919, 2584, 2888, 3232, 3434, 3838, 5168, 5776, 6137, 6868, 7676, 10336, 11552, 12274, 13736, 15352, 24548, 27472, 30704, 32623, 36461, 49096, 54944, 61408, 65246, 72922, 98192, 130492, 145844, 196384, 260984, 291688, 521968, 583376, 619837, 1043936, 1166752, 1239674, 2479348, 4958696, 9917392, 19834784]

約数ペア:

[(1, 19834784), (2, 9917392), (4, 4958696), (8, 2479348), (16, 1239674), (17, 1166752), (19, 1043936), (32, 619837), (34, 583376), (38, 521968), (68, 291688), (76, 260984), (101, 196384), (136, 145844), (152, 130492), (202, 98192), (272, 72922), (304, 65246), (323, 61408), (361, 54944), (404, 49096), (544, 36461), (608, 32623), (646, 30704), (722, 27472), (808, 24548), (1292, 15352), (1444, 13736), (1616, 12274), (1717, 11552), (1919, 10336), (2584, 7676), (2888, 6868), (3232, 6137), (3434, 5776), (3838, 5168)]