18688225101

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{315461}}^1$

素因数の和:315522

約数の個数: 48

約数和(自身を含む): 32222550528

約数和(自身を除く): 13534325427

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 1209, 1519, 1911, 2821, 4557, 8463, 19747, 59241, 315461, 946383, 2208227, 4100993, 6624681, 9779291, 12302979, 15457589, 28706951, 29337873, 46372767, 68455037, 86120853, 127130783, 200948657, 205365111, 381392349, 479185259, 602845971, 889915481, 1437555777, 2669746443, 6229408367, 18688225101]

約数ペア:

[(1, 18688225101), (3, 6229408367), (7, 2669746443), (13, 1437555777), (21, 889915481), (31, 602845971), (39, 479185259), (49, 381392349), (91, 205365111), (93, 200948657), (147, 127130783), (217, 86120853), (273, 68455037), (403, 46372767), (637, 29337873), (651, 28706951), (1209, 15457589), (1519, 12302979), (1911, 9779291), (2821, 6624681), (4557, 4100993), (8463, 2208227), (19747, 946383), (59241, 315461)]