19941707506

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1399

約数の個数: 64

約数和(自身を含む): 36456376320

約数和(自身を除く): 16514668814

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 311, 419, 622, 643, 838, 1286, 2177, 2933, 4354, 4501, 5287, 5866, 7123, 9002, 10574, 10931, 14246, 21862, 37009, 49861, 74018, 76517, 99722, 130309, 153034, 199973, 260618, 269417, 399946, 538834, 912163, 1399811, 1824326, 1885919, 2215253, 2799622, 3399541, 3771838, 4430506, 4580089, 6799082, 9160178, 15506771, 23796787, 31013542, 32060623, 47593574, 64121246, 83788687, 167577374, 586520809, 1173041618, 1424407679, 2848815358, 9970853753, 19941707506]

約数ペア:

[(1, 19941707506), (2, 9970853753), (7, 2848815358), (14, 1424407679), (17, 1173041618), (34, 586520809), (119, 167577374), (238, 83788687), (311, 64121246), (419, 47593574), (622, 32060623), (643, 31013542), (838, 23796787), (1286, 15506771), (2177, 9160178), (2933, 6799082), (4354, 4580089), (4501, 4430506), (5287, 3771838), (5866, 3399541), (7123, 2799622), (9002, 2215253), (10574, 1885919), (10931, 1824326), (14246, 1399811), (21862, 912163), (37009, 538834), (49861, 399946), (74018, 269417), (76517, 260618), (99722, 199973), (130309, 153034)]