18735315

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 31696896

約数和(自身を除く): 12961581

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 937, 1333, 2811, 3999, 4685, 6665, 14055, 19995, 29047, 40291, 87141, 120873, 145235, 201455, 435705, 604365, 1249021, 3747063, 6245105, 18735315]

約数ペア:

[(1, 18735315), (3, 6245105), (5, 3747063), (15, 1249021), (31, 604365), (43, 435705), (93, 201455), (129, 145235), (155, 120873), (215, 87141), (465, 40291), (645, 29047), (937, 19995), (1333, 14055), (2811, 6665), (3999, 4685)]