18732246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 42663936

約数和(自身を除く): 23931690

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 61, 62, 78, 93, 122, 127, 183, 186, 254, 366, 381, 403, 762, 793, 806, 1209, 1586, 1651, 1891, 2379, 2418, 3302, 3782, 3937, 4758, 4953, 5673, 7747, 7874, 9906, 11346, 11811, 15494, 23241, 23622, 24583, 46482, 49166, 51181, 73749, 100711, 102362, 147498, 153543, 201422, 240157, 302133, 307086, 480314, 604266, 720471, 1440942, 3122041, 6244082, 9366123, 18732246]

約数ペア:

[(1, 18732246), (2, 9366123), (3, 6244082), (6, 3122041), (13, 1440942), (26, 720471), (31, 604266), (39, 480314), (61, 307086), (62, 302133), (78, 240157), (93, 201422), (122, 153543), (127, 147498), (183, 102362), (186, 100711), (254, 73749), (366, 51181), (381, 49166), (403, 46482), (762, 24583), (793, 23622), (806, 23241), (1209, 15494), (1586, 11811), (1651, 11346), (1891, 9906), (2379, 7874), (2418, 7747), (3302, 5673), (3782, 4953), (3937, 4758)]