19717830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2243

約数の個数: 80

約数和(自身を含む): 57865104

約数和(自身を除く): 38147274

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2213, 2970, 4426, 4455, 6639, 8910, 11065, 13278, 19917, 22130, 24343, 33195, 39834, 48686, 59751, 66390, 73029, 99585, 119502, 121715, 146058, 179253, 199170, 219087, 243430, 298755, 358506, 365145, 438174, 597510, 657261, 730290, 896265, 1095435, 1314522, 1792530, 1971783, 2190870, 3286305, 3943566, 6572610, 9858915, 19717830]

約数ペア:

[(1, 19717830), (2, 9858915), (3, 6572610), (5, 3943566), (6, 3286305), (9, 2190870), (10, 1971783), (11, 1792530), (15, 1314522), (18, 1095435), (22, 896265), (27, 730290), (30, 657261), (33, 597510), (45, 438174), (54, 365145), (55, 358506), (66, 298755), (81, 243430), (90, 219087), (99, 199170), (110, 179253), (135, 146058), (162, 121715), (165, 119502), (198, 99585), (270, 73029), (297, 66390), (330, 59751), (405, 48686), (495, 39834), (594, 33195), (810, 24343), (891, 22130), (990, 19917), (1485, 13278), (1782, 11065), (2213, 8910), (2970, 6639), (4426, 4455)]