1913884180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{156619}}^1$

素因数の和:156688

約数の個数: 48

約数和(自身を含む): 4420442880

約数和(自身を除く): 2506558700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 156619, 313238, 626476, 783095, 1566190, 2036047, 3132380, 4072094, 7361093, 8144188, 10180235, 14722186, 20360470, 29444372, 36805465, 40720940, 73610930, 95694209, 147221860, 191388418, 382776836, 478471045, 956942090, 1913884180]

約数ペア:

[(1, 1913884180), (2, 956942090), (4, 478471045), (5, 382776836), (10, 191388418), (13, 147221860), (20, 95694209), (26, 73610930), (47, 40720940), (52, 36805465), (65, 29444372), (94, 20360470), (130, 14722186), (188, 10180235), (235, 8144188), (260, 7361093), (470, 4072094), (611, 3132380), (940, 2036047), (1222, 1566190), (2444, 783095), (3055, 626476), (6110, 313238), (12220, 156619)]