18899524

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 39344256

約数和(自身を除く): 20444732

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 101, 163, 164, 202, 287, 326, 404, 574, 652, 707, 1141, 1148, 1414, 2282, 2828, 4141, 4564, 6683, 8282, 13366, 16463, 16564, 26732, 28987, 32926, 46781, 57974, 65852, 93562, 115241, 115948, 187124, 230482, 460964, 674983, 1349966, 2699932, 4724881, 9449762, 18899524]

約数ペア:

[(1, 18899524), (2, 9449762), (4, 4724881), (7, 2699932), (14, 1349966), (28, 674983), (41, 460964), (82, 230482), (101, 187124), (163, 115948), (164, 115241), (202, 93562), (287, 65852), (326, 57974), (404, 46781), (574, 32926), (652, 28987), (707, 26732), (1141, 16564), (1148, 16463), (1414, 13366), (2282, 8282), (2828, 6683), (4141, 4564)]