19619404

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3278

約数の個数: 36

約数和(自身を含む): 41240640

約数和(自身を除く): 21621236

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3229, 6076, 6458, 12916, 22603, 45206, 90412, 100099, 158221, 200198, 316442, 400396, 632884, 700693, 1401386, 2802772, 4904851, 9809702, 19619404]

約数ペア:

[(1, 19619404), (2, 9809702), (4, 4904851), (7, 2802772), (14, 1401386), (28, 700693), (31, 632884), (49, 400396), (62, 316442), (98, 200198), (124, 158221), (196, 100099), (217, 90412), (434, 45206), (868, 22603), (1519, 12916), (3038, 6458), (3229, 6076)]