18663736

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 25849544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 827, 868, 1612, 1654, 1736, 2821, 3224, 3308, 5642, 5789, 6616, 10751, 11284, 11578, 21502, 22568, 23156, 25637, 43004, 46312, 51274, 75257, 86008, 102548, 150514, 179459, 205096, 301028, 333281, 358918, 602056, 666562, 717836, 1333124, 1435672, 2332967, 2666248, 4665934, 9331868, 18663736]

約数ペア:

[(1, 18663736), (2, 9331868), (4, 4665934), (7, 2666248), (8, 2332967), (13, 1435672), (14, 1333124), (26, 717836), (28, 666562), (31, 602056), (52, 358918), (56, 333281), (62, 301028), (91, 205096), (104, 179459), (124, 150514), (182, 102548), (217, 86008), (248, 75257), (364, 51274), (403, 46312), (434, 43004), (728, 25637), (806, 23156), (827, 22568), (868, 21502), (1612, 11578), (1654, 11284), (1736, 10751), (2821, 6616), (3224, 5789), (3308, 5642)]