19558860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 55097952

約数和(自身を除く): 35539092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1801, 1810, 2172, 2715, 3602, 3620, 5403, 5430, 7204, 9005, 10806, 10860, 18010, 21612, 27015, 36020, 54030, 108060, 325981, 651962, 977943, 1303924, 1629905, 1955886, 3259810, 3911772, 4889715, 6519620, 9779430, 19558860]

約数ペア:

[(1, 19558860), (2, 9779430), (3, 6519620), (4, 4889715), (5, 3911772), (6, 3259810), (10, 1955886), (12, 1629905), (15, 1303924), (20, 977943), (30, 651962), (60, 325981), (181, 108060), (362, 54030), (543, 36020), (724, 27015), (905, 21612), (1086, 18010), (1801, 10860), (1810, 10806), (2172, 9005), (2715, 7204), (3602, 5430), (3620, 5403)]