1918240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 4777920

約数和(自身を除く): 2859680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 631, 760, 1262, 1520, 2524, 3040, 3155, 5048, 6310, 10096, 11989, 12620, 20192, 23978, 25240, 47956, 50480, 59945, 95912, 100960, 119890, 191824, 239780, 383648, 479560, 959120, 1918240]

約数ペア:

[(1, 1918240), (2, 959120), (4, 479560), (5, 383648), (8, 239780), (10, 191824), (16, 119890), (19, 100960), (20, 95912), (32, 59945), (38, 50480), (40, 47956), (76, 25240), (80, 23978), (95, 20192), (152, 12620), (160, 11989), (190, 10096), (304, 6310), (380, 5048), (608, 3155), (631, 3040), (760, 2524), (1262, 1520)]