19488690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16657}}^1$

素因数の和:16683

約数の個数: 48

約数和(自身を含む): 54571608

約数和(自身を除く): 35082918

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16657, 33314, 49971, 83285, 99942, 149913, 166570, 216541, 249855, 299826, 433082, 499710, 649623, 749565, 1082705, 1299246, 1499130, 1948869, 2165410, 3248115, 3897738, 6496230, 9744345, 19488690]

約数ペア:

[(1, 19488690), (2, 9744345), (3, 6496230), (5, 3897738), (6, 3248115), (9, 2165410), (10, 1948869), (13, 1499130), (15, 1299246), (18, 1082705), (26, 749565), (30, 649623), (39, 499710), (45, 433082), (65, 299826), (78, 249855), (90, 216541), (117, 166570), (130, 149913), (195, 99942), (234, 83285), (390, 49971), (585, 33314), (1170, 16657)]