19080780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1951}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 53781504

約数和(自身を除く): 34700724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1951, 1956, 2445, 3260, 3902, 4890, 5853, 7804, 9755, 9780, 11706, 19510, 23412, 29265, 39020, 58530, 117060, 318013, 636026, 954039, 1272052, 1590065, 1908078, 3180130, 3816156, 4770195, 6360260, 9540390, 19080780]

約数ペア:

[(1, 19080780), (2, 9540390), (3, 6360260), (4, 4770195), (5, 3816156), (6, 3180130), (10, 1908078), (12, 1590065), (15, 1272052), (20, 954039), (30, 636026), (60, 318013), (163, 117060), (326, 58530), (489, 39020), (652, 29265), (815, 23412), (978, 19510), (1630, 11706), (1951, 9780), (1956, 9755), (2445, 7804), (3260, 5853), (3902, 4890)]