18891569242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{39877}}^1$

素因数の和:40055

約数の個数: 64

約数和(自身を含む): 36981262080

約数和(自身を除く): 18089692838

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 137, 182, 247, 266, 274, 494, 959, 1729, 1781, 1918, 2603, 3458, 3562, 5206, 12467, 18221, 24934, 33839, 36442, 39877, 67678, 79754, 236873, 279139, 473746, 518401, 558278, 757663, 1036802, 1515326, 3628807, 5303641, 5463149, 7257614, 9849619, 10607282, 10926298, 19699238, 38242043, 68947333, 71020937, 76484086, 103799831, 137894666, 142041874, 207599662, 497146559, 726598817, 994293118, 1349397803, 1453197634, 2698795606, 9445784621, 18891569242]

約数ペア:

[(1, 18891569242), (2, 9445784621), (7, 2698795606), (13, 1453197634), (14, 1349397803), (19, 994293118), (26, 726598817), (38, 497146559), (91, 207599662), (133, 142041874), (137, 137894666), (182, 103799831), (247, 76484086), (266, 71020937), (274, 68947333), (494, 38242043), (959, 19699238), (1729, 10926298), (1781, 10607282), (1918, 9849619), (2603, 7257614), (3458, 5463149), (3562, 5303641), (5206, 3628807), (12467, 1515326), (18221, 1036802), (24934, 757663), (33839, 558278), (36442, 518401), (39877, 473746), (67678, 279139), (79754, 236873)]