19747740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1163}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 55536768

約数和(自身を除く): 35789028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 283, 566, 849, 1132, 1163, 1415, 1698, 2326, 2830, 3396, 3489, 4245, 4652, 5660, 5815, 6978, 8490, 11630, 13956, 16980, 17445, 23260, 34890, 69780, 329129, 658258, 987387, 1316516, 1645645, 1974774, 3291290, 3949548, 4936935, 6582580, 9873870, 19747740]

約数ペア:

[(1, 19747740), (2, 9873870), (3, 6582580), (4, 4936935), (5, 3949548), (6, 3291290), (10, 1974774), (12, 1645645), (15, 1316516), (20, 987387), (30, 658258), (60, 329129), (283, 69780), (566, 34890), (849, 23260), (1132, 17445), (1163, 16980), (1415, 13956), (1698, 11630), (2326, 8490), (2830, 6978), (3396, 5815), (3489, 5660), (4245, 4652)]