1919790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 5071248

約数和(自身を除く): 3151458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 257, 415, 498, 514, 747, 771, 830, 1245, 1285, 1494, 1542, 2313, 2490, 2570, 3735, 3855, 4626, 7470, 7710, 11565, 21331, 23130, 42662, 63993, 106655, 127986, 191979, 213310, 319965, 383958, 639930, 959895, 1919790]

約数ペア:

[(1, 1919790), (2, 959895), (3, 639930), (5, 383958), (6, 319965), (9, 213310), (10, 191979), (15, 127986), (18, 106655), (30, 63993), (45, 42662), (83, 23130), (90, 21331), (166, 11565), (249, 7710), (257, 7470), (415, 4626), (498, 3855), (514, 3735), (747, 2570), (771, 2490), (830, 2313), (1245, 1542), (1285, 1494)]