19064140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 43327872

約数和(自身を除く): 24263732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1193, 1598, 2386, 3196, 3995, 4772, 5965, 7990, 11930, 15980, 20281, 23860, 40562, 56071, 81124, 101405, 112142, 202810, 224284, 280355, 405620, 560710, 953207, 1121420, 1906414, 3812828, 4766035, 9532070, 19064140]

約数ペア:

[(1, 19064140), (2, 9532070), (4, 4766035), (5, 3812828), (10, 1906414), (17, 1121420), (20, 953207), (34, 560710), (47, 405620), (68, 280355), (85, 224284), (94, 202810), (170, 112142), (188, 101405), (235, 81124), (340, 56071), (470, 40562), (799, 23860), (940, 20281), (1193, 15980), (1598, 11930), (2386, 7990), (3196, 5965), (3995, 4772)]