19955950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 46139904

約数和(自身を除く): 26183954

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 37, 46, 50, 67, 70, 74, 115, 134, 161, 175, 185, 230, 259, 322, 335, 350, 370, 469, 518, 575, 670, 805, 851, 925, 938, 1150, 1295, 1541, 1610, 1675, 1702, 1850, 2345, 2479, 2590, 3082, 3350, 4025, 4255, 4690, 4958, 5957, 6475, 7705, 8050, 8510, 10787, 11725, 11914, 12395, 12950, 15410, 17353, 21275, 21574, 23450, 24790, 29785, 34706, 38525, 42550, 53935, 57017, 59570, 61975, 77050, 86765, 107870, 114034, 123950, 148925, 173530, 269675, 285085, 297850, 399119, 433825, 539350, 570170, 798238, 867650, 1425425, 1995595, 2850850, 3991190, 9977975, 19955950]

約数ペア:

[(1, 19955950), (2, 9977975), (5, 3991190), (7, 2850850), (10, 1995595), (14, 1425425), (23, 867650), (25, 798238), (35, 570170), (37, 539350), (46, 433825), (50, 399119), (67, 297850), (70, 285085), (74, 269675), (115, 173530), (134, 148925), (161, 123950), (175, 114034), (185, 107870), (230, 86765), (259, 77050), (322, 61975), (335, 59570), (350, 57017), (370, 53935), (469, 42550), (518, 38525), (575, 34706), (670, 29785), (805, 24790), (851, 23450), (925, 21574), (938, 21275), (1150, 17353), (1295, 15410), (1541, 12950), (1610, 12395), (1675, 11914), (1702, 11725), (1850, 10787), (2345, 8510), (2479, 8050), (2590, 7705), (3082, 6475), (3350, 5957), (4025, 4958), (4255, 4690)]