18851118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 44900352

約数和(自身を除く): 26049234

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 127, 143, 173, 254, 286, 346, 381, 429, 519, 762, 858, 1038, 1397, 1651, 1903, 2249, 2794, 3302, 3806, 4191, 4498, 4953, 5709, 6747, 8382, 9906, 11418, 13494, 18161, 21971, 24739, 36322, 43942, 49478, 54483, 65913, 74217, 108966, 131826, 148434, 241681, 285623, 483362, 571246, 725043, 856869, 1450086, 1713738, 3141853, 6283706, 9425559, 18851118]

約数ペア:

[(1, 18851118), (2, 9425559), (3, 6283706), (6, 3141853), (11, 1713738), (13, 1450086), (22, 856869), (26, 725043), (33, 571246), (39, 483362), (66, 285623), (78, 241681), (127, 148434), (143, 131826), (173, 108966), (254, 74217), (286, 65913), (346, 54483), (381, 49478), (429, 43942), (519, 36322), (762, 24739), (858, 21971), (1038, 18161), (1397, 13494), (1651, 11418), (1903, 9906), (2249, 8382), (2794, 6747), (3302, 5709), (3806, 4953), (4191, 4498)]