19691994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1181}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 45161856

約数和(自身を除く): 25469862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1181, 1191, 2362, 2382, 2779, 3543, 5558, 7086, 8267, 8337, 16534, 16674, 24801, 49602, 468857, 937714, 1406571, 2813142, 3281999, 6563998, 9845997, 19691994]

約数ペア:

[(1, 19691994), (2, 9845997), (3, 6563998), (6, 3281999), (7, 2813142), (14, 1406571), (21, 937714), (42, 468857), (397, 49602), (794, 24801), (1181, 16674), (1191, 16534), (2362, 8337), (2382, 8267), (2779, 7086), (3543, 5558)]