20181489363

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{3593}}^1$

素因数の和:3985

約数の個数: 64

約数和(自身を含む): 34612807680

約数和(自身を除く): 14431318317

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 263, 339, 789, 791, 1017, 1841, 2367, 2373, 3051, 3593, 5523, 7101, 7119, 10779, 16569, 21357, 25151, 29719, 32337, 49707, 75453, 89157, 97011, 208033, 226359, 267471, 406009, 624099, 679077, 802413, 944959, 1218027, 1872297, 2834877, 2842063, 3654081, 5616891, 6614713, 8504631, 8526189, 10962243, 19844139, 25513893, 25578567, 59532417, 76735701, 106780367, 178597251, 320341101, 747462569, 961023303, 2242387707, 2883069909, 6727163121, 20181489363]

約数ペア:

[(1, 20181489363), (3, 6727163121), (7, 2883069909), (9, 2242387707), (21, 961023303), (27, 747462569), (63, 320341101), (113, 178597251), (189, 106780367), (263, 76735701), (339, 59532417), (789, 25578567), (791, 25513893), (1017, 19844139), (1841, 10962243), (2367, 8526189), (2373, 8504631), (3051, 6614713), (3593, 5616891), (5523, 3654081), (7101, 2842063), (7119, 2834877), (10779, 1872297), (16569, 1218027), (21357, 944959), (25151, 802413), (29719, 679077), (32337, 624099), (49707, 406009), (75453, 267471), (89157, 226359), (97011, 208033)]