15785428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 29237600

約数和(自身を除く): 13452172

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 907, 916, 1814, 3628, 4351, 8702, 17233, 17404, 34466, 68932, 207703, 415406, 830812, 3946357, 7892714, 15785428]

約数ペア:

[(1, 15785428), (2, 7892714), (4, 3946357), (19, 830812), (38, 415406), (76, 207703), (229, 68932), (458, 34466), (907, 17404), (916, 17233), (1814, 8702), (3628, 4351)]