17540990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 34399728

約数和(自身を除く): 16858738

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 113, 190, 215, 226, 361, 430, 565, 722, 817, 1130, 1634, 1805, 2147, 3610, 4085, 4294, 4859, 8170, 9718, 10735, 15523, 21470, 24295, 31046, 40793, 48590, 77615, 81586, 92321, 155230, 184642, 203965, 407930, 461605, 923210, 1754099, 3508198, 8770495, 17540990]

約数ペア:

[(1, 17540990), (2, 8770495), (5, 3508198), (10, 1754099), (19, 923210), (38, 461605), (43, 407930), (86, 203965), (95, 184642), (113, 155230), (190, 92321), (215, 81586), (226, 77615), (361, 48590), (430, 40793), (565, 31046), (722, 24295), (817, 21470), (1130, 15523), (1634, 10735), (1805, 9718), (2147, 8170), (3610, 4859), (4085, 4294)]