18703791

素因数分解:

$3^4\times {\mathrm{17}}^3\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 40

約数和(自身を含む): 30317760

約数和(自身を除く): 11613969

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 289, 423, 459, 799, 867, 1269, 1377, 2397, 2601, 3807, 4913, 7191, 7803, 13583, 14739, 21573, 23409, 40749, 44217, 64719, 122247, 132651, 230911, 366741, 397953, 692733, 1100223, 2078199, 6234597, 18703791]

約数ペア:

[(1, 18703791), (3, 6234597), (9, 2078199), (17, 1100223), (27, 692733), (47, 397953), (51, 366741), (81, 230911), (141, 132651), (153, 122247), (289, 64719), (423, 44217), (459, 40749), (799, 23409), (867, 21573), (1269, 14739), (1377, 13583), (2397, 7803), (2601, 7191), (3807, 4913)]