18937974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6732

約数の個数: 32

約数和(自身を含む): 42286464

約数和(自身を除く): 23348490

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 6673, 13346, 20019, 40038, 73403, 146806, 220209, 286939, 440418, 573878, 860817, 1721634, 3156329, 6312658, 9468987, 18937974]

約数ペア:

[(1, 18937974), (2, 9468987), (3, 6312658), (6, 3156329), (11, 1721634), (22, 860817), (33, 573878), (43, 440418), (66, 286939), (86, 220209), (129, 146806), (258, 73403), (473, 40038), (946, 20019), (1419, 13346), (2838, 6673)]