19667240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9277}}^1$

素因数の和:9341

約数の個数: 32

約数和(自身を含む): 45091080

約数和(自身を除く): 25423840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9277, 18554, 37108, 46385, 74216, 92770, 185540, 371080, 491681, 983362, 1966724, 2458405, 3933448, 4916810, 9833620, 19667240]

約数ペア:

[(1, 19667240), (2, 9833620), (4, 4916810), (5, 3933448), (8, 2458405), (10, 1966724), (20, 983362), (40, 491681), (53, 371080), (106, 185540), (212, 92770), (265, 74216), (424, 46385), (530, 37108), (1060, 18554), (2120, 9277)]