16538940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8353}}^1$

素因数の和:8379

約数の個数: 72

約数和(自身を含む): 54735408

約数和(自身を除く): 38196468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8353, 16706, 25059, 33412, 41765, 50118, 75177, 83530, 91883, 100236, 125295, 150354, 167060, 183766, 250590, 275649, 300708, 367532, 375885, 459415, 501180, 551298, 751770, 826947, 918830, 1102596, 1378245, 1503540, 1653894, 1837660, 2756490, 3307788, 4134735, 5512980, 8269470, 16538940]

約数ペア:

[(1, 16538940), (2, 8269470), (3, 5512980), (4, 4134735), (5, 3307788), (6, 2756490), (9, 1837660), (10, 1653894), (11, 1503540), (12, 1378245), (15, 1102596), (18, 918830), (20, 826947), (22, 751770), (30, 551298), (33, 501180), (36, 459415), (44, 375885), (45, 367532), (55, 300708), (60, 275649), (66, 250590), (90, 183766), (99, 167060), (110, 150354), (132, 125295), (165, 100236), (180, 91883), (198, 83530), (220, 75177), (330, 50118), (396, 41765), (495, 33412), (660, 25059), (990, 16706), (1980, 8353)]