18724167

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 15870393

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 659, 693, 861, 1353, 1977, 2583, 3157, 4059, 4613, 5931, 7249, 9471, 13839, 21747, 27019, 28413, 41517, 50743, 65241, 81057, 152229, 189133, 243171, 297209, 456687, 567399, 891627, 1702197, 2080463, 2674881, 6241389, 18724167]

約数ペア:

[(1, 18724167), (3, 6241389), (7, 2674881), (9, 2080463), (11, 1702197), (21, 891627), (33, 567399), (41, 456687), (63, 297209), (77, 243171), (99, 189133), (123, 152229), (231, 81057), (287, 65241), (369, 50743), (451, 41517), (659, 28413), (693, 27019), (861, 21747), (1353, 13839), (1977, 9471), (2583, 7249), (3157, 5931), (4059, 4613)]