18325384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25220216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 419, 497, 568, 616, 781, 838, 994, 1562, 1676, 1988, 2933, 3124, 3352, 3976, 4609, 5467, 5866, 6248, 9218, 10934, 11732, 18436, 21868, 23464, 29749, 32263, 36872, 43736, 59498, 64526, 118996, 129052, 208243, 237992, 258104, 327239, 416486, 654478, 832972, 1308956, 1665944, 2290673, 2617912, 4581346, 9162692, 18325384]

約数ペア:

[(1, 18325384), (2, 9162692), (4, 4581346), (7, 2617912), (8, 2290673), (11, 1665944), (14, 1308956), (22, 832972), (28, 654478), (44, 416486), (56, 327239), (71, 258104), (77, 237992), (88, 208243), (142, 129052), (154, 118996), (284, 64526), (308, 59498), (419, 43736), (497, 36872), (568, 32263), (616, 29749), (781, 23464), (838, 21868), (994, 18436), (1562, 11732), (1676, 10934), (1988, 9218), (2933, 6248), (3124, 5866), (3352, 5467), (3976, 4609)]