18380070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 47999952

約数和(自身を除く): 29619882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 461, 886, 922, 1329, 1383, 2215, 2305, 2658, 2766, 3987, 4149, 4430, 4610, 6645, 6915, 7974, 8298, 13290, 13830, 19935, 20745, 39870, 41490, 204223, 408446, 612669, 1021115, 1225338, 1838007, 2042230, 3063345, 3676014, 6126690, 9190035, 18380070]

約数ペア:

[(1, 18380070), (2, 9190035), (3, 6126690), (5, 3676014), (6, 3063345), (9, 2042230), (10, 1838007), (15, 1225338), (18, 1021115), (30, 612669), (45, 408446), (90, 204223), (443, 41490), (461, 39870), (886, 20745), (922, 19935), (1329, 13830), (1383, 13290), (2215, 8298), (2305, 7974), (2658, 6915), (2766, 6645), (3987, 4610), (4149, 4430)]