1990609518

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{3607}}^1$

素因数の和:3781

約数の個数: 64

約数和(自身を含む): 4322672640

約数和(自身を除く): 2332063122

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 94, 103, 114, 141, 206, 282, 309, 618, 893, 1786, 1957, 2679, 3607, 3914, 4841, 5358, 5871, 7214, 9682, 10821, 11742, 14523, 21642, 29046, 68533, 91979, 137066, 169529, 183958, 205599, 275937, 339058, 371521, 411198, 508587, 551874, 743042, 1017174, 1114563, 2229126, 3221051, 6442102, 7058899, 9663153, 14117798, 17461487, 19326306, 21176697, 34922974, 42353394, 52384461, 104768922, 331768253, 663536506, 995304759, 1990609518]

約数ペア:

[(1, 1990609518), (2, 995304759), (3, 663536506), (6, 331768253), (19, 104768922), (38, 52384461), (47, 42353394), (57, 34922974), (94, 21176697), (103, 19326306), (114, 17461487), (141, 14117798), (206, 9663153), (282, 7058899), (309, 6442102), (618, 3221051), (893, 2229126), (1786, 1114563), (1957, 1017174), (2679, 743042), (3607, 551874), (3914, 508587), (4841, 411198), (5358, 371521), (5871, 339058), (7214, 275937), (9682, 205599), (10821, 183958), (11742, 169529), (14523, 137066), (21642, 91979), (29046, 68533)]