19761990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38749}}^1$

素因数の和:38776

約数の個数: 32

約数和(自身を含む): 50220000

約数和(自身を除く): 30458010

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 38749, 77498, 116247, 193745, 232494, 387490, 581235, 658733, 1162470, 1317466, 1976199, 3293665, 3952398, 6587330, 9880995, 19761990]

約数ペア:

[(1, 19761990), (2, 9880995), (3, 6587330), (5, 3952398), (6, 3293665), (10, 1976199), (15, 1317466), (17, 1162470), (30, 658733), (34, 581235), (51, 387490), (85, 232494), (102, 193745), (170, 116247), (255, 77498), (510, 38749)]