19815132

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 49381920

約数和(自身を除く): 29566788

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 137, 204, 274, 411, 548, 709, 822, 1418, 1644, 2127, 2329, 2836, 4254, 4658, 6987, 8508, 9316, 12053, 13974, 24106, 27948, 36159, 48212, 72318, 97133, 144636, 194266, 291399, 388532, 582798, 1165596, 1651261, 3302522, 4953783, 6605044, 9907566, 19815132]

約数ペア:

[(1, 19815132), (2, 9907566), (3, 6605044), (4, 4953783), (6, 3302522), (12, 1651261), (17, 1165596), (34, 582798), (51, 388532), (68, 291399), (102, 194266), (137, 144636), (204, 97133), (274, 72318), (411, 48212), (548, 36159), (709, 27948), (822, 24106), (1418, 13974), (1644, 12053), (2127, 9316), (2329, 8508), (2836, 6987), (4254, 4658)]