18808258

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 34933248

約数和(自身を除く): 16124990

約数列:

[1, 2, 7, 14, 31, 41, 49, 62, 82, 98, 151, 217, 287, 302, 434, 574, 1057, 1271, 1519, 2009, 2114, 2542, 3038, 4018, 4681, 6191, 7399, 8897, 9362, 12382, 14798, 17794, 32767, 43337, 62279, 65534, 86674, 124558, 191921, 229369, 303359, 383842, 458738, 606718, 1343447, 2686894, 9404129, 18808258]

約数ペア:

[(1, 18808258), (2, 9404129), (7, 2686894), (14, 1343447), (31, 606718), (41, 458738), (49, 383842), (62, 303359), (82, 229369), (98, 191921), (151, 124558), (217, 86674), (287, 65534), (302, 62279), (434, 43337), (574, 32767), (1057, 17794), (1271, 14798), (1519, 12382), (2009, 9362), (2114, 8897), (2542, 7399), (3038, 6191), (4018, 4681)]