18747124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 38537856

約数和(自身を除く): 19790732

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 71, 142, 187, 284, 353, 374, 706, 748, 781, 1207, 1412, 1562, 2414, 3124, 3883, 4828, 6001, 7766, 12002, 13277, 15532, 24004, 25063, 26554, 50126, 53108, 66011, 100252, 132022, 264044, 275693, 426071, 551386, 852142, 1102772, 1704284, 4686781, 9373562, 18747124]

約数ペア:

[(1, 18747124), (2, 9373562), (4, 4686781), (11, 1704284), (17, 1102772), (22, 852142), (34, 551386), (44, 426071), (68, 275693), (71, 264044), (142, 132022), (187, 100252), (284, 66011), (353, 53108), (374, 50126), (706, 26554), (748, 25063), (781, 24004), (1207, 15532), (1412, 13277), (1562, 12002), (2414, 7766), (3124, 6001), (3883, 4828)]