19764713380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3877}}^1\times {\mathrm{6217}}^1$

素因数の和:10144

約数の個数: 48

約数和(自身を含む): 42536044656

約数和(自身を除く): 22771331276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3877, 6217, 7754, 12434, 15508, 19385, 24868, 31085, 38770, 62170, 77540, 124340, 158957, 254897, 317914, 509794, 635828, 794785, 1019588, 1274485, 1589570, 2548970, 3179140, 5097940, 24103309, 48206618, 96413236, 120516545, 241033090, 482066180, 988235669, 1976471338, 3952942676, 4941178345, 9882356690, 19764713380]

約数ペア:

[(1, 19764713380), (2, 9882356690), (4, 4941178345), (5, 3952942676), (10, 1976471338), (20, 988235669), (41, 482066180), (82, 241033090), (164, 120516545), (205, 96413236), (410, 48206618), (820, 24103309), (3877, 5097940), (6217, 3179140), (7754, 2548970), (12434, 1589570), (15508, 1274485), (19385, 1019588), (24868, 794785), (31085, 635828), (38770, 509794), (62170, 317914), (77540, 254897), (124340, 158957)]