19947998

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7019}}^1$

素因数の和:7064

約数の個数: 24

約数和(自身を含む): 36012600

約数和(自身を除く): 16064602

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7019, 14038, 49133, 98266, 203551, 343931, 407102, 687862, 1424857, 2849714, 9973999, 19947998]

約数ペア:

[(1, 19947998), (2, 9973999), (7, 2849714), (14, 1424857), (29, 687862), (49, 407102), (58, 343931), (98, 203551), (203, 98266), (406, 49133), (1421, 14038), (2842, 7019)]