17930276

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 40755456

約数和(自身を除く): 22825180

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 227, 364, 403, 434, 454, 637, 806, 868, 908, 1274, 1519, 1589, 1612, 2548, 2821, 2951, 3038, 3178, 5642, 5902, 6076, 6356, 7037, 11123, 11284, 11804, 14074, 19747, 20657, 22246, 28148, 39494, 41314, 44492, 49259, 78988, 82628, 91481, 98518, 144599, 182962, 197036, 289198, 344813, 365924, 578396, 640367, 689626, 1280734, 1379252, 2561468, 4482569, 8965138, 17930276]

約数ペア:

[(1, 17930276), (2, 8965138), (4, 4482569), (7, 2561468), (13, 1379252), (14, 1280734), (26, 689626), (28, 640367), (31, 578396), (49, 365924), (52, 344813), (62, 289198), (91, 197036), (98, 182962), (124, 144599), (182, 98518), (196, 91481), (217, 82628), (227, 78988), (364, 49259), (403, 44492), (434, 41314), (454, 39494), (637, 28148), (806, 22246), (868, 20657), (908, 19747), (1274, 14074), (1519, 11804), (1589, 11284), (1612, 11123), (2548, 7037), (2821, 6356), (2951, 6076), (3038, 5902), (3178, 5642)]