17982190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 15765650

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 719, 1438, 2501, 3595, 5002, 7190, 12505, 25010, 29479, 43859, 58958, 87718, 147395, 219295, 294790, 438590, 1798219, 3596438, 8991095, 17982190]

約数ペア:

[(1, 17982190), (2, 8991095), (5, 3596438), (10, 1798219), (41, 438590), (61, 294790), (82, 219295), (122, 147395), (205, 87718), (305, 58958), (410, 43859), (610, 29479), (719, 25010), (1438, 12505), (2501, 7190), (3595, 5002)]