19605159

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 34011648

約数和(自身を除く): 14406489

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 487, 497, 567, 639, 1461, 1491, 1917, 3409, 4383, 4473, 5751, 10227, 13149, 13419, 30681, 34577, 39447, 40257, 92043, 103731, 242039, 276129, 311193, 726117, 933579, 2178351, 2800737, 6535053, 19605159]

約数ペア:

[(1, 19605159), (3, 6535053), (7, 2800737), (9, 2178351), (21, 933579), (27, 726117), (63, 311193), (71, 276129), (81, 242039), (189, 103731), (213, 92043), (487, 40257), (497, 39447), (567, 34577), (639, 30681), (1461, 13419), (1491, 13149), (1917, 10227), (3409, 5751), (4383, 4473)]