18644990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2927}}^1$

素因数の和:2961

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 23412802

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 2927, 3185, 5854, 6370, 14635, 20489, 29270, 38051, 40978, 76102, 102445, 143423, 190255, 204890, 266357, 286846, 380510, 532714, 717115, 1331785, 1434230, 1864499, 2663570, 3728998, 9322495, 18644990]

約数ペア:

[(1, 18644990), (2, 9322495), (5, 3728998), (7, 2663570), (10, 1864499), (13, 1434230), (14, 1331785), (26, 717115), (35, 532714), (49, 380510), (65, 286846), (70, 266357), (91, 204890), (98, 190255), (130, 143423), (182, 102445), (245, 76102), (455, 40978), (490, 38051), (637, 29270), (910, 20489), (1274, 14635), (2927, 6370), (3185, 5854)]