19464390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19661}}^1$

素因数の和:19685

約数の個数: 48

約数和(自身を含む): 55210896

約数和(自身を除く): 35746506

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19661, 39322, 58983, 98305, 117966, 176949, 196610, 216271, 294915, 353898, 432542, 589830, 648813, 884745, 1081355, 1297626, 1769490, 1946439, 2162710, 3244065, 3892878, 6488130, 9732195, 19464390]

約数ペア:

[(1, 19464390), (2, 9732195), (3, 6488130), (5, 3892878), (6, 3244065), (9, 2162710), (10, 1946439), (11, 1769490), (15, 1297626), (18, 1081355), (22, 884745), (30, 648813), (33, 589830), (45, 432542), (55, 353898), (66, 294915), (90, 216271), (99, 196610), (110, 176949), (165, 117966), (198, 98305), (330, 58983), (495, 39322), (990, 19661)]