19817994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1213}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 45452160

約数和(自身を除く): 25634166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 389, 778, 1167, 1213, 2334, 2426, 2723, 3639, 5446, 7278, 8169, 8491, 16338, 16982, 25473, 50946, 471857, 943714, 1415571, 2831142, 3302999, 6605998, 9908997, 19817994]

約数ペア:

[(1, 19817994), (2, 9908997), (3, 6605998), (6, 3302999), (7, 2831142), (14, 1415571), (21, 943714), (42, 471857), (389, 50946), (778, 25473), (1167, 16982), (1213, 16338), (2334, 8491), (2426, 8169), (2723, 7278), (3639, 5446)]