18764396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 21555604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 499, 553, 998, 1106, 1343, 1996, 2212, 2686, 3493, 5372, 6986, 8483, 9401, 13972, 16966, 18802, 33932, 37604, 39421, 59381, 78842, 118762, 157684, 237524, 275947, 551894, 670157, 1103788, 1340314, 2680628, 4691099, 9382198, 18764396]

約数ペア:

[(1, 18764396), (2, 9382198), (4, 4691099), (7, 2680628), (14, 1340314), (17, 1103788), (28, 670157), (34, 551894), (68, 275947), (79, 237524), (119, 157684), (158, 118762), (238, 78842), (316, 59381), (476, 39421), (499, 37604), (553, 33932), (998, 18802), (1106, 16966), (1343, 13972), (1996, 9401), (2212, 8483), (2686, 6986), (3493, 5372)]