18378504

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{5431}}^1$

素因数の和:5490

約数の個数: 48

約数和(自身を含む): 50843520

約数和(自身を除く): 32465016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 5431, 10862, 16293, 21724, 32586, 43448, 48879, 65172, 97758, 130344, 195516, 255257, 391032, 510514, 765771, 1021028, 1531542, 2042056, 2297313, 3063084, 4594626, 6126168, 9189252, 18378504]

約数ペア:

[(1, 18378504), (2, 9189252), (3, 6126168), (4, 4594626), (6, 3063084), (8, 2297313), (9, 2042056), (12, 1531542), (18, 1021028), (24, 765771), (36, 510514), (47, 391032), (72, 255257), (94, 195516), (141, 130344), (188, 97758), (282, 65172), (376, 48879), (423, 43448), (564, 32586), (846, 21724), (1128, 16293), (1692, 10862), (3384, 5431)]