18167980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5573}}^1$

素因数の和:5745

約数の個数: 24

約数和(自身を含む): 38393712

約数和(自身を除く): 20225732

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5573, 11146, 22292, 27865, 55730, 111460, 908399, 1816798, 3633596, 4541995, 9083990, 18167980]

約数ペア:

[(1, 18167980), (2, 9083990), (4, 4541995), (5, 3633596), (10, 1816798), (20, 908399), (163, 111460), (326, 55730), (652, 27865), (815, 22292), (1630, 11146), (3260, 5573)]