18780588

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{27457}}^1$

素因数の和:27486

約数の個数: 36

約数和(自身を含む): 49973560

約数和(自身を除く): 31192972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 27457, 54914, 82371, 109828, 164742, 247113, 329484, 494226, 521683, 988452, 1043366, 1565049, 2086732, 3130098, 4695147, 6260196, 9390294, 18780588]

約数ペア:

[(1, 18780588), (2, 9390294), (3, 6260196), (4, 4695147), (6, 3130098), (9, 2086732), (12, 1565049), (18, 1043366), (19, 988452), (36, 521683), (38, 494226), (57, 329484), (76, 247113), (114, 164742), (171, 109828), (228, 82371), (342, 54914), (684, 27457)]