19879968378

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{243073}}^1$

素因数の和:243438

約数の個数: 32

約数和(自身を含む): 40813096896

約数和(自身を除く): 20933128518

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 317, 634, 951, 1902, 13631, 27262, 40893, 81786, 243073, 486146, 729219, 1458438, 10452139, 20904278, 31356417, 62712834, 77054141, 154108282, 231162423, 462324846, 3313328063, 6626656126, 9939984189, 19879968378]

約数ペア:

[(1, 19879968378), (2, 9939984189), (3, 6626656126), (6, 3313328063), (43, 462324846), (86, 231162423), (129, 154108282), (258, 77054141), (317, 62712834), (634, 31356417), (951, 20904278), (1902, 10452139), (13631, 1458438), (27262, 729219), (40893, 486146), (81786, 243073)]