18557344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22085216

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1439, 1612, 2878, 3224, 5756, 6448, 11512, 12896, 18707, 23024, 37414, 44609, 46048, 74828, 89218, 149656, 178436, 299312, 356872, 579917, 598624, 713744, 1159834, 1427488, 2319668, 4639336, 9278672, 18557344]

約数ペア:

[(1, 18557344), (2, 9278672), (4, 4639336), (8, 2319668), (13, 1427488), (16, 1159834), (26, 713744), (31, 598624), (32, 579917), (52, 356872), (62, 299312), (104, 178436), (124, 149656), (208, 89218), (248, 74828), (403, 46048), (416, 44609), (496, 37414), (806, 23024), (992, 18707), (1439, 12896), (1612, 11512), (2878, 6448), (3224, 5756)]