17939820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8081}}^1$

素因数の和:8130

約数の個数: 48

約数和(自身を含む): 51595488

約数和(自身を除く): 33655668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8081, 16162, 24243, 32324, 40405, 48486, 80810, 96972, 121215, 161620, 242430, 298997, 484860, 597994, 896991, 1195988, 1494985, 1793982, 2989970, 3587964, 4484955, 5979940, 8969910, 17939820]

約数ペア:

[(1, 17939820), (2, 8969910), (3, 5979940), (4, 4484955), (5, 3587964), (6, 2989970), (10, 1793982), (12, 1494985), (15, 1195988), (20, 896991), (30, 597994), (37, 484860), (60, 298997), (74, 242430), (111, 161620), (148, 121215), (185, 96972), (222, 80810), (370, 48486), (444, 40405), (555, 32324), (740, 24243), (1110, 16162), (2220, 8081)]