19005643880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4440571}}^1$

素因数の和:4440689

約数の個数: 32

約数和(自身を含む): 43162359840

約数和(自身を除く): 24156715960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4440571, 8881142, 17762284, 22202855, 35524568, 44405710, 88811420, 177622840, 475141097, 950282194, 1900564388, 2375705485, 3801128776, 4751410970, 9502821940, 19005643880]

約数ペア:

[(1, 19005643880), (2, 9502821940), (4, 4751410970), (5, 3801128776), (8, 2375705485), (10, 1900564388), (20, 950282194), (40, 475141097), (107, 177622840), (214, 88811420), (428, 44405710), (535, 35524568), (856, 22202855), (1070, 17762284), (2140, 8881142), (4280, 4440571)]