18360580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 44311680

約数和(自身を除く): 25951100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 419, 626, 838, 1252, 1565, 1676, 2095, 2191, 2933, 3130, 4190, 4382, 5866, 6260, 8380, 8764, 10955, 11732, 14665, 21910, 29330, 43820, 58660, 131147, 262294, 524588, 655735, 918029, 1311470, 1836058, 2622940, 3672116, 4590145, 9180290, 18360580]

約数ペア:

[(1, 18360580), (2, 9180290), (4, 4590145), (5, 3672116), (7, 2622940), (10, 1836058), (14, 1311470), (20, 918029), (28, 655735), (35, 524588), (70, 262294), (140, 131147), (313, 58660), (419, 43820), (626, 29330), (838, 21910), (1252, 14665), (1565, 11732), (1676, 10955), (2095, 8764), (2191, 8380), (2933, 6260), (3130, 5866), (4190, 4382)]