19193535

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 34751808

約数和(自身を除く): 15558273

約数列:

[1, 3, 5, 9, 15, 41, 45, 101, 103, 123, 205, 303, 309, 369, 505, 515, 615, 909, 927, 1515, 1545, 1845, 4141, 4223, 4545, 4635, 10403, 12423, 12669, 20705, 21115, 31209, 37269, 38007, 52015, 62115, 63345, 93627, 156045, 186345, 190035, 426523, 468135, 1279569, 2132615, 3838707, 6397845, 19193535]

約数ペア:

[(1, 19193535), (3, 6397845), (5, 3838707), (9, 2132615), (15, 1279569), (41, 468135), (45, 426523), (101, 190035), (103, 186345), (123, 156045), (205, 93627), (303, 63345), (309, 62115), (369, 52015), (505, 38007), (515, 37269), (615, 31209), (909, 21115), (927, 20705), (1515, 12669), (1545, 12423), (1845, 10403), (4141, 4635), (4223, 4545)]