18859452950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{9649}}^1$

素因数の和:9802

約数の個数: 96

約数和(自身を含む): 39401644800

約数和(自身を除く): 20542191850

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 97, 130, 155, 194, 310, 325, 403, 485, 650, 775, 806, 970, 1261, 1550, 2015, 2425, 2522, 3007, 4030, 4850, 6014, 6305, 9649, 10075, 12610, 15035, 19298, 20150, 30070, 31525, 39091, 48245, 63050, 75175, 78182, 96490, 125437, 150350, 195455, 241225, 250874, 299119, 390910, 482450, 598238, 627185, 935953, 977275, 1254370, 1495595, 1871906, 1954550, 2991190, 3135925, 3888547, 4679765, 6271850, 7477975, 7777094, 9359530, 12167389, 14955950, 19442735, 23398825, 24334778, 29014543, 38885470, 46797650, 58029086, 60836945, 97213675, 121673890, 145072715, 194427350, 290145430, 304184725, 377189059, 608369450, 725363575, 754378118, 1450727150, 1885945295, 3771890590, 9429726475, 18859452950]

約数ペア:

[(1, 18859452950), (2, 9429726475), (5, 3771890590), (10, 1885945295), (13, 1450727150), (25, 754378118), (26, 725363575), (31, 608369450), (50, 377189059), (62, 304184725), (65, 290145430), (97, 194427350), (130, 145072715), (155, 121673890), (194, 97213675), (310, 60836945), (325, 58029086), (403, 46797650), (485, 38885470), (650, 29014543), (775, 24334778), (806, 23398825), (970, 19442735), (1261, 14955950), (1550, 12167389), (2015, 9359530), (2425, 7777094), (2522, 7477975), (3007, 6271850), (4030, 4679765), (4850, 3888547), (6014, 3135925), (6305, 2991190), (9649, 1954550), (10075, 1871906), (12610, 1495595), (15035, 1254370), (19298, 977275), (20150, 935953), (30070, 627185), (31525, 598238), (39091, 482450), (48245, 390910), (63050, 299119), (75175, 250874), (78182, 241225), (96490, 195455), (125437, 150350)]