1900100

素因数分解:

$2^2\times 5^2\times {\mathrm{19001}}^1$

素因数の和:19015

約数の個数: 18

約数和(自身を含む): 4123434

約数和(自身を除く): 2223334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19001, 38002, 76004, 95005, 190010, 380020, 475025, 950050, 1900100]

約数ペア:

[(1, 1900100), (2, 950050), (4, 475025), (5, 380020), (10, 190010), (20, 95005), (25, 76004), (50, 38002), (100, 19001)]