19805508

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{14869}}^1$

素因数の和:14916

約数の個数: 36

約数和(自身を含む): 51420460

約数和(自身を除く): 31614952

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 14869, 29738, 44607, 59476, 89214, 133821, 178428, 267642, 535284, 550153, 1100306, 1650459, 2200612, 3300918, 4951377, 6601836, 9902754, 19805508]

約数ペア:

[(1, 19805508), (2, 9902754), (3, 6601836), (4, 4951377), (6, 3300918), (9, 2200612), (12, 1650459), (18, 1100306), (36, 550153), (37, 535284), (74, 267642), (111, 178428), (148, 133821), (222, 89214), (333, 59476), (444, 44607), (666, 29738), (1332, 14869)]