18151490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{743}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 19346110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 743, 1486, 1745, 2443, 3490, 3715, 4886, 5201, 7430, 10402, 12215, 24430, 26005, 52010, 259307, 518614, 1296535, 1815149, 2593070, 3630298, 9075745, 18151490]

約数ペア:

[(1, 18151490), (2, 9075745), (5, 3630298), (7, 2593070), (10, 1815149), (14, 1296535), (35, 518614), (70, 259307), (349, 52010), (698, 26005), (743, 24430), (1486, 12215), (1745, 10402), (2443, 7430), (3490, 5201), (3715, 4886)]