18456536

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 22173064

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 239, 392, 394, 478, 788, 956, 1379, 1576, 1673, 1912, 2758, 3346, 5516, 6692, 9653, 11032, 11711, 13384, 19306, 23422, 38612, 46844, 47083, 77224, 93688, 94166, 188332, 329581, 376664, 659162, 1318324, 2307067, 2636648, 4614134, 9228268, 18456536]

約数ペア:

[(1, 18456536), (2, 9228268), (4, 4614134), (7, 2636648), (8, 2307067), (14, 1318324), (28, 659162), (49, 376664), (56, 329581), (98, 188332), (196, 94166), (197, 93688), (239, 77224), (392, 47083), (394, 46844), (478, 38612), (788, 23422), (956, 19306), (1379, 13384), (1576, 11711), (1673, 11032), (1912, 9653), (2758, 6692), (3346, 5516)]