18600780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28183}}^1$

素因数の和:28206

約数の個数: 48

約数和(自身を含む): 56818944

約数和(自身を除く): 38218164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28183, 56366, 84549, 112732, 140915, 169098, 281830, 310013, 338196, 422745, 563660, 620026, 845490, 930039, 1240052, 1550065, 1690980, 1860078, 3100130, 3720156, 4650195, 6200260, 9300390, 18600780]

約数ペア:

[(1, 18600780), (2, 9300390), (3, 6200260), (4, 4650195), (5, 3720156), (6, 3100130), (10, 1860078), (11, 1690980), (12, 1550065), (15, 1240052), (20, 930039), (22, 845490), (30, 620026), (33, 563660), (44, 422745), (55, 338196), (60, 310013), (66, 281830), (110, 169098), (132, 140915), (165, 112732), (220, 84549), (330, 56366), (660, 28183)]