19897828

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 36199800

約数和(自身を除く): 16301972

約数列:

[1, 2, 4, 29, 58, 116, 337, 509, 674, 1018, 1348, 2036, 9773, 14761, 19546, 29522, 39092, 59044, 171533, 343066, 686132, 4974457, 9948914, 19897828]

約数ペア:

[(1, 19897828), (2, 9948914), (4, 4974457), (29, 686132), (58, 343066), (116, 171533), (337, 59044), (509, 39092), (674, 29522), (1018, 19546), (1348, 14761), (2036, 9773)]