17990190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4313

約数の個数: 48

約数和(自身を含む): 47780928

約数和(自身を除く): 29790738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4253, 8506, 12759, 21265, 25518, 38277, 42530, 63795, 76554, 127590, 191385, 199891, 382770, 399782, 599673, 999455, 1199346, 1799019, 1998910, 2998365, 3598038, 5996730, 8995095, 17990190]

約数ペア:

[(1, 17990190), (2, 8995095), (3, 5996730), (5, 3598038), (6, 2998365), (9, 1998910), (10, 1799019), (15, 1199346), (18, 999455), (30, 599673), (45, 399782), (47, 382770), (90, 199891), (94, 191385), (141, 127590), (235, 76554), (282, 63795), (423, 42530), (470, 38277), (705, 25518), (846, 21265), (1410, 12759), (2115, 8506), (4230, 4253)]