19518700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10273}}^1$

素因数の和:10306

約数の個数: 36

約数和(自身を含む): 44589160

約数和(自身を除く): 25070460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10273, 20546, 41092, 51365, 102730, 195187, 205460, 256825, 390374, 513650, 780748, 975935, 1027300, 1951870, 3903740, 4879675, 9759350, 19518700]

約数ペア:

[(1, 19518700), (2, 9759350), (4, 4879675), (5, 3903740), (10, 1951870), (19, 1027300), (20, 975935), (25, 780748), (38, 513650), (50, 390374), (76, 256825), (95, 205460), (100, 195187), (190, 102730), (380, 51365), (475, 41092), (950, 20546), (1900, 10273)]