18222316

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 37346400

約数和(自身を除く): 19124084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 389, 478, 778, 956, 1556, 1673, 2723, 3346, 5446, 6692, 10892, 11711, 19061, 23422, 38122, 46844, 76244, 92971, 185942, 371884, 650797, 1301594, 2603188, 4555579, 9111158, 18222316]

約数ペア:

[(1, 18222316), (2, 9111158), (4, 4555579), (7, 2603188), (14, 1301594), (28, 650797), (49, 371884), (98, 185942), (196, 92971), (239, 76244), (389, 46844), (478, 38122), (778, 23422), (956, 19061), (1556, 11711), (1673, 10892), (2723, 6692), (3346, 5446)]