18248140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 40932864

約数和(自身を除く): 22684724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 281, 340, 382, 562, 764, 955, 1124, 1405, 1910, 2810, 3247, 3820, 4777, 5620, 6494, 9554, 12988, 16235, 19108, 23885, 32470, 47770, 53671, 64940, 95540, 107342, 214684, 268355, 536710, 912407, 1073420, 1824814, 3649628, 4562035, 9124070, 18248140]

約数ペア:

[(1, 18248140), (2, 9124070), (4, 4562035), (5, 3649628), (10, 1824814), (17, 1073420), (20, 912407), (34, 536710), (68, 268355), (85, 214684), (170, 107342), (191, 95540), (281, 64940), (340, 53671), (382, 47770), (562, 32470), (764, 23885), (955, 19108), (1124, 16235), (1405, 12988), (1910, 9554), (2810, 6494), (3247, 5620), (3820, 4777)]