18128793

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 26634240

約数和(自身を除く): 8505447

約数列:

[1, 3, 19, 47, 57, 67, 101, 141, 201, 303, 893, 1273, 1919, 2679, 3149, 3819, 4747, 5757, 6767, 9447, 14241, 20301, 59831, 90193, 128573, 179493, 270579, 318049, 385719, 954147, 6042931, 18128793]

約数ペア:

[(1, 18128793), (3, 6042931), (19, 954147), (47, 385719), (57, 318049), (67, 270579), (101, 179493), (141, 128573), (201, 90193), (303, 59831), (893, 20301), (1273, 14241), (1919, 9447), (2679, 6767), (3149, 5757), (3819, 4747)]