18940230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 80

約数和(自身を含む): 51836400

約数和(自身を除く): 32896170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 81, 90, 134, 135, 162, 201, 270, 335, 349, 402, 405, 603, 670, 698, 810, 1005, 1047, 1206, 1745, 1809, 2010, 2094, 3015, 3141, 3490, 3618, 5235, 5427, 6030, 6282, 9045, 9423, 10470, 10854, 15705, 18090, 18846, 23383, 27135, 28269, 31410, 46766, 47115, 54270, 56538, 70149, 94230, 116915, 140298, 141345, 210447, 233830, 282690, 350745, 420894, 631341, 701490, 1052235, 1262682, 1894023, 2104470, 3156705, 3788046, 6313410, 9470115, 18940230]

約数ペア:

[(1, 18940230), (2, 9470115), (3, 6313410), (5, 3788046), (6, 3156705), (9, 2104470), (10, 1894023), (15, 1262682), (18, 1052235), (27, 701490), (30, 631341), (45, 420894), (54, 350745), (67, 282690), (81, 233830), (90, 210447), (134, 141345), (135, 140298), (162, 116915), (201, 94230), (270, 70149), (335, 56538), (349, 54270), (402, 47115), (405, 46766), (603, 31410), (670, 28269), (698, 27135), (810, 23383), (1005, 18846), (1047, 18090), (1206, 15705), (1745, 10854), (1809, 10470), (2010, 9423), (2094, 9045), (3015, 6282), (3141, 6030), (3490, 5427), (3618, 5235)]