19898886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6673}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 46130688

約数和(自身を除く): 26231802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6673, 13346, 20019, 40038, 46711, 93422, 140133, 280266, 473783, 947566, 1421349, 2842698, 3316481, 6632962, 9949443, 19898886]

約数ペア:

[(1, 19898886), (2, 9949443), (3, 6632962), (6, 3316481), (7, 2842698), (14, 1421349), (21, 947566), (42, 473783), (71, 280266), (142, 140133), (213, 93422), (426, 46711), (497, 40038), (994, 20019), (1491, 13346), (2982, 6673)]