19116729

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 29977992

約数和(自身を除く): 10861263

約数列:

[1, 3, 9, 27, 53, 61, 73, 81, 159, 183, 219, 477, 549, 657, 1431, 1647, 1971, 3233, 3869, 4293, 4453, 4941, 5913, 9699, 11607, 13359, 29097, 34821, 40077, 87291, 104463, 120231, 236009, 261873, 313389, 360693, 708027, 2124081, 6372243, 19116729]

約数ペア:

[(1, 19116729), (3, 6372243), (9, 2124081), (27, 708027), (53, 360693), (61, 313389), (73, 261873), (81, 236009), (159, 120231), (183, 104463), (219, 87291), (477, 40077), (549, 34821), (657, 29097), (1431, 13359), (1647, 11607), (1971, 9699), (3233, 5913), (3869, 4941), (4293, 4453)]