19192878

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 43099056

約数和(自身を除く): 23906178

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 137, 181, 258, 274, 362, 387, 411, 543, 774, 822, 1086, 1233, 1629, 2466, 3258, 5891, 7783, 11782, 15566, 17673, 23349, 24797, 35346, 46698, 49594, 53019, 70047, 74391, 106038, 140094, 148782, 223173, 446346, 1066271, 2132542, 3198813, 6397626, 9596439, 19192878]

約数ペア:

[(1, 19192878), (2, 9596439), (3, 6397626), (6, 3198813), (9, 2132542), (18, 1066271), (43, 446346), (86, 223173), (129, 148782), (137, 140094), (181, 106038), (258, 74391), (274, 70047), (362, 53019), (387, 49594), (411, 46698), (543, 35346), (774, 24797), (822, 23349), (1086, 17673), (1233, 15566), (1629, 11782), (2466, 7783), (3258, 5891)]