17949880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34519}}^1$

素因数の和:34543

約数の個数: 32

約数和(自身を含む): 43495200

約数和(自身を除く): 25545320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34519, 69038, 138076, 172595, 276152, 345190, 448747, 690380, 897494, 1380760, 1794988, 2243735, 3589976, 4487470, 8974940, 17949880]

約数ペア:

[(1, 17949880), (2, 8974940), (4, 4487470), (5, 3589976), (8, 2243735), (10, 1794988), (13, 1380760), (20, 897494), (26, 690380), (40, 448747), (52, 345190), (65, 276152), (104, 172595), (130, 138076), (260, 69038), (520, 34519)]