1999829538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{39979}}^1$

素因数の和:40391

約数の個数: 48

約数和(自身を含む): 4964556480

約数和(自身を除く): 2964726942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 397, 794, 1191, 2382, 2779, 3573, 5558, 7146, 8337, 16674, 25011, 39979, 50022, 79958, 119937, 239874, 279853, 359811, 559706, 719622, 839559, 1679118, 2518677, 5037354, 15871663, 31743326, 47614989, 95229978, 111101641, 142844967, 222203282, 285689934, 333304923, 666609846, 999914769, 1999829538]

約数ペア:

[(1, 1999829538), (2, 999914769), (3, 666609846), (6, 333304923), (7, 285689934), (9, 222203282), (14, 142844967), (18, 111101641), (21, 95229978), (42, 47614989), (63, 31743326), (126, 15871663), (397, 5037354), (794, 2518677), (1191, 1679118), (2382, 839559), (2779, 719622), (3573, 559706), (5558, 359811), (7146, 279853), (8337, 239874), (16674, 119937), (25011, 79958), (39979, 50022)]