18921618

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{7673}}^1$

素因数の和:7818

約数の個数: 24

約数和(自身を含む): 41301468

約数和(自身を除く): 22379850

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 7673, 15346, 23019, 46038, 69057, 138114, 1051201, 2102402, 3153603, 6307206, 9460809, 18921618]

約数ペア:

[(1, 18921618), (2, 9460809), (3, 6307206), (6, 3153603), (9, 2102402), (18, 1051201), (137, 138114), (274, 69057), (411, 46038), (822, 23019), (1233, 15346), (2466, 7673)]