19490040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54139}}^1$

素因数の和:54156

約数の個数: 48

約数和(自身を含む): 63343800

約数和(自身を除く): 43853760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54139, 108278, 162417, 216556, 270695, 324834, 433112, 487251, 541390, 649668, 812085, 974502, 1082780, 1299336, 1624170, 1949004, 2165560, 2436255, 3248340, 3898008, 4872510, 6496680, 9745020, 19490040]

約数ペア:

[(1, 19490040), (2, 9745020), (3, 6496680), (4, 4872510), (5, 3898008), (6, 3248340), (8, 2436255), (9, 2165560), (10, 1949004), (12, 1624170), (15, 1299336), (18, 1082780), (20, 974502), (24, 812085), (30, 649668), (36, 541390), (40, 487251), (45, 433112), (60, 324834), (72, 270695), (90, 216556), (120, 162417), (180, 108278), (360, 54139)]