18708516

素因数分解:

$2^2\times 3^3\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 30038364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 311, 557, 622, 933, 1114, 1244, 1671, 1866, 2228, 2799, 3342, 3732, 5013, 5598, 6684, 8397, 10026, 11196, 15039, 16794, 20052, 30078, 33588, 60156, 173227, 346454, 519681, 692908, 1039362, 1559043, 2078724, 3118086, 4677129, 6236172, 9354258, 18708516]

約数ペア:

[(1, 18708516), (2, 9354258), (3, 6236172), (4, 4677129), (6, 3118086), (9, 2078724), (12, 1559043), (18, 1039362), (27, 692908), (36, 519681), (54, 346454), (108, 173227), (311, 60156), (557, 33588), (622, 30078), (933, 20052), (1114, 16794), (1244, 15039), (1671, 11196), (1866, 10026), (2228, 8397), (2799, 6684), (3342, 5598), (3732, 5013)]