19223920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2333}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 45148896

約数和(自身を除く): 25924976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2333, 4120, 4666, 8240, 9332, 11665, 18664, 23330, 37328, 46660, 93320, 186640, 240299, 480598, 961196, 1201495, 1922392, 2402990, 3844784, 4805980, 9611960, 19223920]

約数ペア:

[(1, 19223920), (2, 9611960), (4, 4805980), (5, 3844784), (8, 2402990), (10, 1922392), (16, 1201495), (20, 961196), (40, 480598), (80, 240299), (103, 186640), (206, 93320), (412, 46660), (515, 37328), (824, 23330), (1030, 18664), (1648, 11665), (2060, 9332), (2333, 8240), (4120, 4666)]