18746679

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11896521

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1049, 2553, 3147, 5957, 7343, 17871, 22029, 24127, 38813, 72381, 116439, 168889, 271691, 506667, 815073, 892699, 2678097, 6248893, 18746679]

約数ペア:

[(1, 18746679), (3, 6248893), (7, 2678097), (21, 892699), (23, 815073), (37, 506667), (69, 271691), (111, 168889), (161, 116439), (259, 72381), (483, 38813), (777, 24127), (851, 22029), (1049, 17871), (2553, 7343), (3147, 5957)]