20161257238

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{2137}}^1$

素因数の和:2429

約数の個数: 48

約数和(自身を含む): 32550536880

約数和(自身を除く): 12389279642

約数列:

[1, 2, 19, 38, 73, 146, 179, 358, 361, 722, 1387, 2137, 2774, 3401, 4274, 6802, 13067, 26134, 26353, 40603, 52706, 64619, 81206, 129238, 156001, 248273, 312002, 382523, 496546, 765046, 771457, 1542914, 2964019, 4717187, 5928038, 7267937, 9434374, 14535874, 27924179, 55848358, 56316361, 112632722, 138090803, 276181606, 530559401, 1061118802, 10080628619, 20161257238]

約数ペア:

[(1, 20161257238), (2, 10080628619), (19, 1061118802), (38, 530559401), (73, 276181606), (146, 138090803), (179, 112632722), (358, 56316361), (361, 55848358), (722, 27924179), (1387, 14535874), (2137, 9434374), (2774, 7267937), (3401, 5928038), (4274, 4717187), (6802, 2964019), (13067, 1542914), (26134, 771457), (26353, 765046), (40603, 496546), (52706, 382523), (64619, 312002), (81206, 248273), (129238, 156001)]