19729104

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{2957}}^1$

素因数の和:3107

約数の個数: 40

約数和(自身を含む): 51350880

約数和(自身を除く): 31621776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 2957, 3336, 5914, 6672, 8871, 11828, 17742, 23656, 35484, 47312, 70968, 141936, 411023, 822046, 1233069, 1644092, 2466138, 3288184, 4932276, 6576368, 9864552, 19729104]

約数ペア:

[(1, 19729104), (2, 9864552), (3, 6576368), (4, 4932276), (6, 3288184), (8, 2466138), (12, 1644092), (16, 1233069), (24, 822046), (48, 411023), (139, 141936), (278, 70968), (417, 47312), (556, 35484), (834, 23656), (1112, 17742), (1668, 11828), (2224, 8871), (2957, 6672), (3336, 5914)]