20138041818

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6466937}}^1$

素因数の和:6467118

約数の個数: 24

約数和(自身を含む): 43884641268

約数和(自身を除く): 23746599450

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6466937, 12933874, 19400811, 38801622, 58202433, 116404866, 1118780101, 2237560202, 3356340303, 6712680606, 10069020909, 20138041818]

約数ペア:

[(1, 20138041818), (2, 10069020909), (3, 6712680606), (6, 3356340303), (9, 2237560202), (18, 1118780101), (173, 116404866), (346, 58202433), (519, 38801622), (1038, 19400811), (1557, 12933874), (3114, 6466937)]