13818620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 31116960

約数和(自身を除く): 17298340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 419, 485, 838, 970, 1649, 1676, 1940, 2095, 3298, 4190, 6596, 7123, 8245, 8380, 14246, 16490, 28492, 32980, 35615, 40643, 71230, 81286, 142460, 162572, 203215, 406430, 690931, 812860, 1381862, 2763724, 3454655, 6909310, 13818620]

約数ペア:

[(1, 13818620), (2, 6909310), (4, 3454655), (5, 2763724), (10, 1381862), (17, 812860), (20, 690931), (34, 406430), (68, 203215), (85, 162572), (97, 142460), (170, 81286), (194, 71230), (340, 40643), (388, 35615), (419, 32980), (485, 28492), (838, 16490), (970, 14246), (1649, 8380), (1676, 8245), (1940, 7123), (2095, 6596), (3298, 4190)]