17981892

素因数分解:

$2^2\times 3^3\times {\mathrm{167}}^1\times {\mathrm{997}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 46945920

約数和(自身を除く): 28964028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 167, 334, 501, 668, 997, 1002, 1503, 1994, 2004, 2991, 3006, 3988, 4509, 5982, 6012, 8973, 9018, 11964, 17946, 18036, 26919, 35892, 53838, 107676, 166499, 332998, 499497, 665996, 998994, 1498491, 1997988, 2996982, 4495473, 5993964, 8990946, 17981892]

約数ペア:

[(1, 17981892), (2, 8990946), (3, 5993964), (4, 4495473), (6, 2996982), (9, 1997988), (12, 1498491), (18, 998994), (27, 665996), (36, 499497), (54, 332998), (108, 166499), (167, 107676), (334, 53838), (501, 35892), (668, 26919), (997, 18036), (1002, 17946), (1503, 11964), (1994, 9018), (2004, 8973), (2991, 6012), (3006, 5982), (3988, 4509)]