11678540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 26231520

約数和(自身を除く): 14552980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 421, 730, 842, 1387, 1460, 1684, 2105, 2774, 4210, 5548, 6935, 7999, 8420, 13870, 15998, 27740, 30733, 31996, 39995, 61466, 79990, 122932, 153665, 159980, 307330, 583927, 614660, 1167854, 2335708, 2919635, 5839270, 11678540]

約数ペア:

[(1, 11678540), (2, 5839270), (4, 2919635), (5, 2335708), (10, 1167854), (19, 614660), (20, 583927), (38, 307330), (73, 159980), (76, 153665), (95, 122932), (146, 79990), (190, 61466), (292, 39995), (365, 31996), (380, 30733), (421, 27740), (730, 15998), (842, 13870), (1387, 8420), (1460, 7999), (1684, 6935), (2105, 5548), (2774, 4210)]