18828240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4164

約数の個数: 80

約数和(自身を含む): 61454400

約数和(自身を除く): 42626160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4129, 4560, 8258, 12387, 16516, 20645, 24774, 33032, 41290, 49548, 61935, 66064, 78451, 82580, 99096, 123870, 156902, 165160, 198192, 235353, 247740, 313804, 330320, 392255, 470706, 495480, 627608, 784510, 941412, 990960, 1176765, 1255216, 1569020, 1882824, 2353530, 3138040, 3765648, 4707060, 6276080, 9414120, 18828240]

約数ペア:

[(1, 18828240), (2, 9414120), (3, 6276080), (4, 4707060), (5, 3765648), (6, 3138040), (8, 2353530), (10, 1882824), (12, 1569020), (15, 1255216), (16, 1176765), (19, 990960), (20, 941412), (24, 784510), (30, 627608), (38, 495480), (40, 470706), (48, 392255), (57, 330320), (60, 313804), (76, 247740), (80, 235353), (95, 198192), (114, 165160), (120, 156902), (152, 123870), (190, 99096), (228, 82580), (240, 78451), (285, 66064), (304, 61935), (380, 49548), (456, 41290), (570, 33032), (760, 24774), (912, 20645), (1140, 16516), (1520, 12387), (2280, 8258), (4129, 4560)]