19935940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 46005120

約数和(自身を除く): 26069180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2281, 4370, 4562, 8740, 9124, 11405, 22810, 43339, 45620, 52463, 86678, 104926, 173356, 209852, 216695, 262315, 433390, 524630, 866780, 996797, 1049260, 1993594, 3987188, 4983985, 9967970, 19935940]

約数ペア:

[(1, 19935940), (2, 9967970), (4, 4983985), (5, 3987188), (10, 1993594), (19, 1049260), (20, 996797), (23, 866780), (38, 524630), (46, 433390), (76, 262315), (92, 216695), (95, 209852), (115, 173356), (190, 104926), (230, 86678), (380, 52463), (437, 45620), (460, 43339), (874, 22810), (1748, 11405), (2185, 9124), (2281, 8740), (4370, 4562)]