19536940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51413}}^1$

素因数の和:51441

約数の個数: 24

約数和(自身を含む): 43187760

約数和(自身を除く): 23650820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51413, 102826, 205652, 257065, 514130, 976847, 1028260, 1953694, 3907388, 4884235, 9768470, 19536940]

約数ペア:

[(1, 19536940), (2, 9768470), (4, 4884235), (5, 3907388), (10, 1953694), (19, 1028260), (20, 976847), (38, 514130), (76, 257065), (95, 205652), (190, 102826), (380, 51413)]