19413540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35951}}^1$

素因数の和:35969

約数の個数: 48

約数和(自身を含む): 60399360

約数和(自身を除く): 40985820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35951, 71902, 107853, 143804, 179755, 215706, 323559, 359510, 431412, 539265, 647118, 719020, 970677, 1078530, 1294236, 1617795, 1941354, 2157060, 3235590, 3882708, 4853385, 6471180, 9706770, 19413540]

約数ペア:

[(1, 19413540), (2, 9706770), (3, 6471180), (4, 4853385), (5, 3882708), (6, 3235590), (9, 2157060), (10, 1941354), (12, 1617795), (15, 1294236), (18, 1078530), (20, 970677), (27, 719020), (30, 647118), (36, 539265), (45, 431412), (54, 359510), (60, 323559), (90, 215706), (108, 179755), (135, 143804), (180, 107853), (270, 71902), (540, 35951)]