19974510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11681}}^1$

素因数の和:11713

約数の個数: 48

約数和(自身を含む): 54671760

約数和(自身を除く): 34697250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11681, 23362, 35043, 58405, 70086, 105129, 116810, 175215, 210258, 221939, 350430, 443878, 525645, 665817, 1051290, 1109695, 1331634, 1997451, 2219390, 3329085, 3994902, 6658170, 9987255, 19974510]

約数ペア:

[(1, 19974510), (2, 9987255), (3, 6658170), (5, 3994902), (6, 3329085), (9, 2219390), (10, 1997451), (15, 1331634), (18, 1109695), (19, 1051290), (30, 665817), (38, 525645), (45, 443878), (57, 350430), (90, 221939), (95, 210258), (114, 175215), (171, 116810), (190, 105129), (285, 70086), (342, 58405), (570, 35043), (855, 23362), (1710, 11681)]