16905906

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 37865880

約数和(自身を除く): 20959974

約数列:

[1, 2, 3, 6, 9, 18, 61, 89, 122, 173, 178, 183, 267, 346, 366, 519, 534, 549, 801, 1038, 1098, 1557, 1602, 3114, 5429, 10553, 10858, 15397, 16287, 21106, 30794, 31659, 32574, 46191, 48861, 63318, 92382, 94977, 97722, 138573, 189954, 277146, 939217, 1878434, 2817651, 5635302, 8452953, 16905906]

約数ペア:

[(1, 16905906), (2, 8452953), (3, 5635302), (6, 2817651), (9, 1878434), (18, 939217), (61, 277146), (89, 189954), (122, 138573), (173, 97722), (178, 94977), (183, 92382), (267, 63318), (346, 48861), (366, 46191), (519, 32574), (534, 31659), (549, 30794), (801, 21106), (1038, 16287), (1098, 15397), (1557, 10858), (1602, 10553), (3114, 5429)]