18969390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2129}}^1$

素因数の和:2159

約数の個数: 80

約数和(自身を含む): 55669680

約数和(自身を除く): 36700290

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, 2129, 2970, 4258, 4455, 6387, 8910, 10645, 12774, 19161, 21290, 23419, 31935, 38322, 46838, 57483, 63870, 70257, 95805, 114966, 117095, 140514, 172449, 191610, 210771, 234190, 287415, 344898, 351285, 421542, 574830, 632313, 702570, 862245, 1053855, 1264626, 1724490, 1896939, 2107710, 3161565, 3793878, 6323130, 9484695, 18969390]

約数ペア:

[(1, 18969390), (2, 9484695), (3, 6323130), (5, 3793878), (6, 3161565), (9, 2107710), (10, 1896939), (11, 1724490), (15, 1264626), (18, 1053855), (22, 862245), (27, 702570), (30, 632313), (33, 574830), (45, 421542), (54, 351285), (55, 344898), (66, 287415), (81, 234190), (90, 210771), (99, 191610), (110, 172449), (135, 140514), (162, 117095), (165, 114966), (198, 95805), (270, 70257), (297, 63870), (330, 57483), (405, 46838), (495, 38322), (594, 31935), (810, 23419), (891, 21290), (990, 19161), (1485, 12774), (1782, 10645), (2129, 8910), (2970, 6387), (4258, 4455)]