19983018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4519}}^1$

素因数の和:4602

約数の個数: 32

約数和(自身を含む): 44259840

約数和(自身を除く): 24276822

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 201, 402, 737, 1474, 2211, 4422, 4519, 9038, 13557, 27114, 49709, 99418, 149127, 298254, 302773, 605546, 908319, 1816638, 3330503, 6661006, 9991509, 19983018]

約数ペア:

[(1, 19983018), (2, 9991509), (3, 6661006), (6, 3330503), (11, 1816638), (22, 908319), (33, 605546), (66, 302773), (67, 298254), (134, 149127), (201, 99418), (402, 49709), (737, 27114), (1474, 13557), (2211, 9038), (4422, 4519)]