18181404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1399}}^1$

素因数の和:1447

約数の個数: 54

約数和(自身を含む): 48539400

約数和(自身を除く): 30357996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1399, 1444, 2166, 2798, 3249, 4197, 4332, 5596, 6498, 8394, 12591, 12996, 16788, 25182, 26581, 50364, 53162, 79743, 106324, 159486, 239229, 318972, 478458, 505039, 956916, 1010078, 1515117, 2020156, 3030234, 4545351, 6060468, 9090702, 18181404]

約数ペア:

[(1, 18181404), (2, 9090702), (3, 6060468), (4, 4545351), (6, 3030234), (9, 2020156), (12, 1515117), (18, 1010078), (19, 956916), (36, 505039), (38, 478458), (57, 318972), (76, 239229), (114, 159486), (171, 106324), (228, 79743), (342, 53162), (361, 50364), (684, 26581), (722, 25182), (1083, 16788), (1399, 12996), (1444, 12591), (2166, 8394), (2798, 6498), (3249, 5596), (4197, 4332)]