15810138

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 19570662

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 139, 142, 178, 213, 267, 278, 417, 426, 534, 639, 801, 834, 1251, 1278, 1602, 2502, 6319, 9869, 12371, 12638, 18957, 19738, 24742, 29607, 37113, 37914, 56871, 59214, 74226, 88821, 111339, 113742, 177642, 222678, 878341, 1756682, 2635023, 5270046, 7905069, 15810138]

約数ペア:

[(1, 15810138), (2, 7905069), (3, 5270046), (6, 2635023), (9, 1756682), (18, 878341), (71, 222678), (89, 177642), (139, 113742), (142, 111339), (178, 88821), (213, 74226), (267, 59214), (278, 56871), (417, 37914), (426, 37113), (534, 29607), (639, 24742), (801, 19738), (834, 18957), (1251, 12638), (1278, 12371), (1602, 9869), (2502, 6319)]