19188100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10099}}^1$

素因数の和:10132

約数の個数: 36

約数和(自身を含む): 43834000

約数和(自身を除く): 24645900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10099, 20198, 40396, 50495, 100990, 191881, 201980, 252475, 383762, 504950, 767524, 959405, 1009900, 1918810, 3837620, 4797025, 9594050, 19188100]

約数ペア:

[(1, 19188100), (2, 9594050), (4, 4797025), (5, 3837620), (10, 1918810), (19, 1009900), (20, 959405), (25, 767524), (38, 504950), (50, 383762), (76, 252475), (95, 201980), (100, 191881), (190, 100990), (380, 50495), (475, 40396), (950, 20198), (1900, 10099)]