20171818996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2230409}}^1$

素因数の和:2230456

約数の個数: 48

約数和(自身を含む): 44965065600

約数和(自身を除く): 24793246604

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 2230409, 4460818, 8921636, 15612863, 31225726, 37916953, 42377771, 62451452, 75833906, 84755542, 151667812, 169511084, 265418671, 296644397, 530837342, 593288794, 720422107, 1061674684, 1186577588, 1440844214, 2881688428, 5042954749, 10085909498, 20171818996]

約数ペア:

[(1, 20171818996), (2, 10085909498), (4, 5042954749), (7, 2881688428), (14, 1440844214), (17, 1186577588), (19, 1061674684), (28, 720422107), (34, 593288794), (38, 530837342), (68, 296644397), (76, 265418671), (119, 169511084), (133, 151667812), (238, 84755542), (266, 75833906), (323, 62451452), (476, 42377771), (532, 37916953), (646, 31225726), (1292, 15612863), (2261, 8921636), (4522, 4460818), (9044, 2230409)]