19440100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6271}}^1$

素因数の和:6316

約数の個数: 36

約数和(自身を含む): 43552768

約数和(自身を除く): 24112668

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6271, 12542, 25084, 31355, 62710, 125420, 156775, 194401, 313550, 388802, 627100, 777604, 972005, 1944010, 3888020, 4860025, 9720050, 19440100]

約数ペア:

[(1, 19440100), (2, 9720050), (4, 4860025), (5, 3888020), (10, 1944010), (20, 972005), (25, 777604), (31, 627100), (50, 388802), (62, 313550), (100, 194401), (124, 156775), (155, 125420), (310, 62710), (620, 31355), (775, 25084), (1550, 12542), (3100, 6271)]