19524580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 42666624

約数和(自身を除く): 23142044

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 311, 365, 430, 622, 730, 860, 1244, 1460, 1555, 3110, 3139, 6220, 6278, 12556, 13373, 15695, 22703, 26746, 31390, 45406, 53492, 62780, 66865, 90812, 113515, 133730, 227030, 267460, 454060, 976229, 1952458, 3904916, 4881145, 9762290, 19524580]

約数ペア:

[(1, 19524580), (2, 9762290), (4, 4881145), (5, 3904916), (10, 1952458), (20, 976229), (43, 454060), (73, 267460), (86, 227030), (146, 133730), (172, 113515), (215, 90812), (292, 66865), (311, 62780), (365, 53492), (430, 45406), (622, 31390), (730, 26746), (860, 22703), (1244, 15695), (1460, 13373), (1555, 12556), (3110, 6278), (3139, 6220)]