17841990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13831}}^1$

素因数の和:13884

約数の個数: 32

約数和(自身を含む): 43819776

約数和(自身を除く): 25977786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 13831, 27662, 41493, 69155, 82986, 138310, 207465, 414930, 594733, 1189466, 1784199, 2973665, 3568398, 5947330, 8920995, 17841990]

約数ペア:

[(1, 17841990), (2, 8920995), (3, 5947330), (5, 3568398), (6, 2973665), (10, 1784199), (15, 1189466), (30, 594733), (43, 414930), (86, 207465), (129, 138310), (215, 82986), (258, 69155), (430, 41493), (645, 27662), (1290, 13831)]