19851516

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5059}}^1$

素因数の和:5178

約数の個数: 36

約数和(自身を含む): 50650600

約数和(自身を除く): 30799084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5059, 10118, 15177, 20236, 30354, 45531, 60708, 91062, 182124, 551431, 1102862, 1654293, 2205724, 3308586, 4962879, 6617172, 9925758, 19851516]

約数ペア:

[(1, 19851516), (2, 9925758), (3, 6617172), (4, 4962879), (6, 3308586), (9, 2205724), (12, 1654293), (18, 1102862), (36, 551431), (109, 182124), (218, 91062), (327, 60708), (436, 45531), (654, 30354), (981, 20236), (1308, 15177), (1962, 10118), (3924, 5059)]