19180329

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 31380480

約数和(自身を除く): 12200151

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 907, 1007, 1113, 2721, 3021, 6349, 7049, 17233, 19047, 21147, 48071, 51699, 120631, 144213, 336497, 361893, 913349, 1009491, 2740047, 6393443, 19180329]

約数ペア:

[(1, 19180329), (3, 6393443), (7, 2740047), (19, 1009491), (21, 913349), (53, 361893), (57, 336497), (133, 144213), (159, 120631), (371, 51699), (399, 48071), (907, 21147), (1007, 19047), (1113, 17233), (2721, 7049), (3021, 6349)]