19749540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3259}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 55863360

約数和(自身を除く): 36113820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3259, 6060, 6518, 9777, 13036, 16295, 19554, 32590, 39108, 48885, 65180, 97770, 195540, 329159, 658318, 987477, 1316636, 1645795, 1974954, 3291590, 3949908, 4937385, 6583180, 9874770, 19749540]

約数ペア:

[(1, 19749540), (2, 9874770), (3, 6583180), (4, 4937385), (5, 3949908), (6, 3291590), (10, 1974954), (12, 1645795), (15, 1316636), (20, 987477), (30, 658318), (60, 329159), (101, 195540), (202, 97770), (303, 65180), (404, 48885), (505, 39108), (606, 32590), (1010, 19554), (1212, 16295), (1515, 13036), (2020, 9777), (3030, 6518), (3259, 6060)]