18178698

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 19076982

約数列:

[1, 2, 3, 6, 71, 139, 142, 213, 278, 307, 417, 426, 614, 834, 921, 1842, 9869, 19738, 21797, 29607, 42673, 43594, 59214, 65391, 85346, 128019, 130782, 256038, 3029783, 6059566, 9089349, 18178698]

約数ペア:

[(1, 18178698), (2, 9089349), (3, 6059566), (6, 3029783), (71, 256038), (139, 130782), (142, 128019), (213, 85346), (278, 65391), (307, 59214), (417, 43594), (426, 42673), (614, 29607), (834, 21797), (921, 19738), (1842, 9869)]