19226272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 41224680

約数和(自身を除く): 21998408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 409, 416, 452, 818, 904, 1469, 1636, 1808, 2938, 3272, 3616, 5317, 5876, 6544, 10634, 11752, 13088, 21268, 23504, 42536, 46217, 47008, 85072, 92434, 170144, 184868, 369736, 600821, 739472, 1201642, 1478944, 2403284, 4806568, 9613136, 19226272]

約数ペア:

[(1, 19226272), (2, 9613136), (4, 4806568), (8, 2403284), (13, 1478944), (16, 1201642), (26, 739472), (32, 600821), (52, 369736), (104, 184868), (113, 170144), (208, 92434), (226, 85072), (409, 47008), (416, 46217), (452, 42536), (818, 23504), (904, 21268), (1469, 13088), (1636, 11752), (1808, 10634), (2938, 6544), (3272, 5876), (3616, 5317)]