18566230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 36484560

約数和(自身を除く): 17918330

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 139, 185, 190, 278, 361, 370, 695, 703, 722, 1390, 1406, 1805, 2641, 3515, 3610, 5143, 5282, 7030, 10286, 13205, 13357, 25715, 26410, 26714, 50179, 51430, 66785, 97717, 100358, 133570, 195434, 250895, 488585, 501790, 977170, 1856623, 3713246, 9283115, 18566230]

約数ペア:

[(1, 18566230), (2, 9283115), (5, 3713246), (10, 1856623), (19, 977170), (37, 501790), (38, 488585), (74, 250895), (95, 195434), (139, 133570), (185, 100358), (190, 97717), (278, 66785), (361, 51430), (370, 50179), (695, 26714), (703, 26410), (722, 25715), (1390, 13357), (1406, 13205), (1805, 10286), (2641, 7030), (3515, 5282), (3610, 5143)]