19444940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57191}}^1$

素因数の和:57217

約数の個数: 24

約数和(自身を含む): 43237152

約数和(自身を除く): 23792212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57191, 114382, 228764, 285955, 571910, 972247, 1143820, 1944494, 3888988, 4861235, 9722470, 19444940]

約数ペア:

[(1, 19444940), (2, 9722470), (4, 4861235), (5, 3888988), (10, 1944494), (17, 1143820), (20, 972247), (34, 571910), (68, 285955), (85, 228764), (170, 114382), (340, 57191)]