19902204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78977}}^1$

素因数の和:78994

約数の個数: 36

約数和(自身を含む): 57495984

約数和(自身を除く): 37593780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78977, 157954, 236931, 315908, 473862, 552839, 710793, 947724, 1105678, 1421586, 1658517, 2211356, 2843172, 3317034, 4975551, 6634068, 9951102, 19902204]

約数ペア:

[(1, 19902204), (2, 9951102), (3, 6634068), (4, 4975551), (6, 3317034), (7, 2843172), (9, 2211356), (12, 1658517), (14, 1421586), (18, 1105678), (21, 947724), (28, 710793), (36, 552839), (42, 473862), (63, 315908), (84, 236931), (126, 157954), (252, 78977)]