18953620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3659}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 46730880

約数和(自身を除く): 27777260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3659, 5180, 7318, 14636, 18295, 25613, 36590, 51226, 73180, 102452, 128065, 135383, 256130, 270766, 512260, 541532, 676915, 947681, 1353830, 1895362, 2707660, 3790724, 4738405, 9476810, 18953620]

約数ペア:

[(1, 18953620), (2, 9476810), (4, 4738405), (5, 3790724), (7, 2707660), (10, 1895362), (14, 1353830), (20, 947681), (28, 676915), (35, 541532), (37, 512260), (70, 270766), (74, 256130), (140, 135383), (148, 128065), (185, 102452), (259, 73180), (370, 51226), (518, 36590), (740, 25613), (1036, 18295), (1295, 14636), (2590, 7318), (3659, 5180)]