19942740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36931}}^1$

素因数の和:36949

約数の個数: 48

約数和(自身を含む): 62045760

約数和(自身を除く): 42103020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36931, 73862, 110793, 147724, 184655, 221586, 332379, 369310, 443172, 553965, 664758, 738620, 997137, 1107930, 1329516, 1661895, 1994274, 2215860, 3323790, 3988548, 4985685, 6647580, 9971370, 19942740]

約数ペア:

[(1, 19942740), (2, 9971370), (3, 6647580), (4, 4985685), (5, 3988548), (6, 3323790), (9, 2215860), (10, 1994274), (12, 1661895), (15, 1329516), (18, 1107930), (20, 997137), (27, 738620), (30, 664758), (36, 553965), (45, 443172), (54, 369310), (60, 332379), (90, 221586), (108, 184655), (135, 147724), (180, 110793), (270, 73862), (540, 36931)]