18201618

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 24566382

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 59, 87, 118, 174, 177, 197, 261, 354, 394, 522, 531, 591, 783, 1062, 1182, 1566, 1593, 1711, 1773, 3186, 3422, 3546, 5133, 5319, 5713, 10266, 10638, 11426, 11623, 15399, 17139, 23246, 30798, 34278, 34869, 46197, 51417, 69738, 92394, 102834, 104607, 154251, 209214, 308502, 313821, 337067, 627642, 674134, 1011201, 2022402, 3033603, 6067206, 9100809, 18201618]

約数ペア:

[(1, 18201618), (2, 9100809), (3, 6067206), (6, 3033603), (9, 2022402), (18, 1011201), (27, 674134), (29, 627642), (54, 337067), (58, 313821), (59, 308502), (87, 209214), (118, 154251), (174, 104607), (177, 102834), (197, 92394), (261, 69738), (354, 51417), (394, 46197), (522, 34869), (531, 34278), (591, 30798), (783, 23246), (1062, 17139), (1182, 15399), (1566, 11623), (1593, 11426), (1711, 10638), (1773, 10266), (3186, 5713), (3422, 5319), (3546, 5133)]