19538838

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{8971}}^1$

素因数の和:9001

約数の個数: 36

約数和(自身を含む): 46537764

約数和(自身を除く): 26998926

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 8971, 17942, 26913, 53826, 80739, 98681, 161478, 197362, 296043, 592086, 888129, 1085491, 1776258, 2170982, 3256473, 6512946, 9769419, 19538838]

約数ペア:

[(1, 19538838), (2, 9769419), (3, 6512946), (6, 3256473), (9, 2170982), (11, 1776258), (18, 1085491), (22, 888129), (33, 592086), (66, 296043), (99, 197362), (121, 161478), (198, 98681), (242, 80739), (363, 53826), (726, 26913), (1089, 17942), (2178, 8971)]