19218388

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3212

約数の個数: 36

約数和(自身を含む): 40397952

約数和(自身を除く): 21179564

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3163, 6076, 6326, 12652, 22141, 44282, 88564, 98053, 154987, 196106, 309974, 392212, 619948, 686371, 1372742, 2745484, 4804597, 9609194, 19218388]

約数ペア:

[(1, 19218388), (2, 9609194), (4, 4804597), (7, 2745484), (14, 1372742), (28, 686371), (31, 619948), (49, 392212), (62, 309974), (98, 196106), (124, 154987), (196, 98053), (217, 88564), (434, 44282), (868, 22141), (1519, 12652), (3038, 6326), (3163, 6076)]