19742625

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 42831360

約数和(自身を除く): 23088735

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 109, 115, 125, 161, 175, 207, 225, 315, 327, 345, 375, 483, 525, 545, 575, 763, 805, 875, 981, 1035, 1125, 1449, 1575, 1635, 1725, 2289, 2415, 2507, 2625, 2725, 2875, 3815, 4025, 4905, 5175, 6867, 7245, 7521, 7875, 8175, 8625, 11445, 12075, 12535, 13625, 17549, 19075, 20125, 22563, 24525, 25875, 34335, 36225, 37605, 40875, 52647, 57225, 60375, 62675, 87745, 95375, 112815, 122625, 157941, 171675, 181125, 188025, 263235, 286125, 313375, 438725, 564075, 789705, 858375, 940125, 1316175, 2193625, 2820375, 3948525, 6580875, 19742625]

約数ペア:

[(1, 19742625), (3, 6580875), (5, 3948525), (7, 2820375), (9, 2193625), (15, 1316175), (21, 940125), (23, 858375), (25, 789705), (35, 564075), (45, 438725), (63, 313375), (69, 286125), (75, 263235), (105, 188025), (109, 181125), (115, 171675), (125, 157941), (161, 122625), (175, 112815), (207, 95375), (225, 87745), (315, 62675), (327, 60375), (345, 57225), (375, 52647), (483, 40875), (525, 37605), (545, 36225), (575, 34335), (763, 25875), (805, 24525), (875, 22563), (981, 20125), (1035, 19075), (1125, 17549), (1449, 13625), (1575, 12535), (1635, 12075), (1725, 11445), (2289, 8625), (2415, 8175), (2507, 7875), (2625, 7521), (2725, 7245), (2875, 6867), (3815, 5175), (4025, 4905)]