19241440

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 45738000

約数和(自身を除く): 26496560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 499, 964, 998, 1205, 1928, 1996, 2410, 2495, 3856, 3992, 4820, 4990, 7712, 7984, 9640, 9980, 15968, 19280, 19960, 38560, 39920, 79840, 120259, 240518, 481036, 601295, 962072, 1202590, 1924144, 2405180, 3848288, 4810360, 9620720, 19241440]

約数ペア:

[(1, 19241440), (2, 9620720), (4, 4810360), (5, 3848288), (8, 2405180), (10, 1924144), (16, 1202590), (20, 962072), (32, 601295), (40, 481036), (80, 240518), (160, 120259), (241, 79840), (482, 39920), (499, 38560), (964, 19960), (998, 19280), (1205, 15968), (1928, 9980), (1996, 9640), (2410, 7984), (2495, 7712), (3856, 4990), (3992, 4820)]