19320340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 46005120

約数和(自身を除く): 26684780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3911, 4940, 7822, 15644, 19555, 39110, 50843, 74309, 78220, 101686, 148618, 203372, 254215, 297236, 371545, 508430, 743090, 966017, 1016860, 1486180, 1932034, 3864068, 4830085, 9660170, 19320340]

約数ペア:

[(1, 19320340), (2, 9660170), (4, 4830085), (5, 3864068), (10, 1932034), (13, 1486180), (19, 1016860), (20, 966017), (26, 743090), (38, 508430), (52, 371545), (65, 297236), (76, 254215), (95, 203372), (130, 148618), (190, 101686), (247, 78220), (260, 74309), (380, 50843), (494, 39110), (988, 19555), (1235, 15644), (2470, 7822), (3911, 4940)]