19073080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 47345760

約数和(自身を除く): 28272680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 853, 860, 1118, 1706, 1720, 2236, 2795, 3412, 4265, 4472, 5590, 6824, 8530, 11089, 11180, 17060, 22178, 22360, 34120, 36679, 44356, 55445, 73358, 88712, 110890, 146716, 183395, 221780, 293432, 366790, 443560, 476827, 733580, 953654, 1467160, 1907308, 2384135, 3814616, 4768270, 9536540, 19073080]

約数ペア:

[(1, 19073080), (2, 9536540), (4, 4768270), (5, 3814616), (8, 2384135), (10, 1907308), (13, 1467160), (20, 953654), (26, 733580), (40, 476827), (43, 443560), (52, 366790), (65, 293432), (86, 221780), (104, 183395), (130, 146716), (172, 110890), (215, 88712), (260, 73358), (344, 55445), (430, 44356), (520, 36679), (559, 34120), (853, 22360), (860, 22178), (1118, 17060), (1706, 11180), (1720, 11089), (2236, 8530), (2795, 6824), (3412, 5590), (4265, 4472)]