18171764478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{117539}}^1$

素因数の和:117966

約数の個数: 64

約数和(自身を含む): 46263744000

約数和(自身を除く): 28091979522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 409, 818, 1227, 2454, 2863, 3681, 5726, 7362, 8589, 11043, 17178, 22086, 25767, 51534, 77301, 117539, 154602, 235078, 352617, 705234, 822773, 1057851, 1645546, 2115702, 2468319, 3173553, 4936638, 6347106, 7404957, 14809914, 22214871, 44429742, 48073451, 96146902, 144220353, 288440706, 336514157, 432661059, 673028314, 865322118, 1009542471, 1297983177, 2019084942, 2595966354, 3028627413, 6057254826, 9085882239, 18171764478]

約数ペア:

[(1, 18171764478), (2, 9085882239), (3, 6057254826), (6, 3028627413), (7, 2595966354), (9, 2019084942), (14, 1297983177), (18, 1009542471), (21, 865322118), (27, 673028314), (42, 432661059), (54, 336514157), (63, 288440706), (126, 144220353), (189, 96146902), (378, 48073451), (409, 44429742), (818, 22214871), (1227, 14809914), (2454, 7404957), (2863, 6347106), (3681, 4936638), (5726, 3173553), (7362, 2468319), (8589, 2115702), (11043, 1645546), (17178, 1057851), (22086, 822773), (25767, 705234), (51534, 352617), (77301, 235078), (117539, 154602)]