18799960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27647}}^1$

素因数の和:27675

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 25989800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27647, 55294, 110588, 138235, 221176, 276470, 469999, 552940, 939998, 1105880, 1879996, 2349995, 3759992, 4699990, 9399980, 18799960]

約数ペア:

[(1, 18799960), (2, 9399980), (4, 4699990), (5, 3759992), (8, 2349995), (10, 1879996), (17, 1105880), (20, 939998), (34, 552940), (40, 469999), (68, 276470), (85, 221176), (136, 138235), (170, 110588), (340, 55294), (680, 27647)]