19985130

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2243}}^1$

素因数の和:2273

約数の個数: 80

約数和(自身を含む): 58649184

約数和(自身を除く): 38664054

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, 2243, 2970, 4455, 4486, 6729, 8910, 11215, 13458, 20187, 22430, 24673, 33645, 40374, 49346, 60561, 67290, 74019, 100935, 121122, 123365, 148038, 181683, 201870, 222057, 246730, 302805, 363366, 370095, 444114, 605610, 666171, 740190, 908415, 1110285, 1332342, 1816830, 1998513, 2220570, 3330855, 3997026, 6661710, 9992565, 19985130]

約数ペア:

[(1, 19985130), (2, 9992565), (3, 6661710), (5, 3997026), (6, 3330855), (9, 2220570), (10, 1998513), (11, 1816830), (15, 1332342), (18, 1110285), (22, 908415), (27, 740190), (30, 666171), (33, 605610), (45, 444114), (54, 370095), (55, 363366), (66, 302805), (81, 246730), (90, 222057), (99, 201870), (110, 181683), (135, 148038), (162, 123365), (165, 121122), (198, 100935), (270, 74019), (297, 67290), (330, 60561), (405, 49346), (495, 40374), (594, 33645), (810, 24673), (891, 22430), (990, 20187), (1485, 13458), (1782, 11215), (2243, 8910), (2970, 6729), (4455, 4486)]