18202590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9631}}^1$

素因数の和:9654

約数の個数: 64

約数和(自身を含む): 55480320

約数和(自身を除く): 37277730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9631, 19262, 28893, 48155, 57786, 67417, 86679, 96310, 134834, 144465, 173358, 202251, 260037, 288930, 337085, 404502, 433395, 520074, 606753, 674170, 866790, 1011255, 1213506, 1300185, 1820259, 2022510, 2600370, 3033765, 3640518, 6067530, 9101295, 18202590]

約数ペア:

[(1, 18202590), (2, 9101295), (3, 6067530), (5, 3640518), (6, 3033765), (7, 2600370), (9, 2022510), (10, 1820259), (14, 1300185), (15, 1213506), (18, 1011255), (21, 866790), (27, 674170), (30, 606753), (35, 520074), (42, 433395), (45, 404502), (54, 337085), (63, 288930), (70, 260037), (90, 202251), (105, 173358), (126, 144465), (135, 134834), (189, 96310), (210, 86679), (270, 67417), (315, 57786), (378, 48155), (630, 28893), (945, 19262), (1890, 9631)]