18937680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4153}}^1$

素因数の和:4188

約数の個数: 80

約数和(自身を含む): 61811520

約数和(自身を除く): 42873840

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, 4153, 4560, 8306, 12459, 16612, 20765, 24918, 33224, 41530, 49836, 62295, 66448, 78907, 83060, 99672, 124590, 157814, 166120, 199344, 236721, 249180, 315628, 332240, 394535, 473442, 498360, 631256, 789070, 946884, 996720, 1183605, 1262512, 1578140, 1893768, 2367210, 3156280, 3787536, 4734420, 6312560, 9468840, 18937680]

約数ペア:

[(1, 18937680), (2, 9468840), (3, 6312560), (4, 4734420), (5, 3787536), (6, 3156280), (8, 2367210), (10, 1893768), (12, 1578140), (15, 1262512), (16, 1183605), (19, 996720), (20, 946884), (24, 789070), (30, 631256), (38, 498360), (40, 473442), (48, 394535), (57, 332240), (60, 315628), (76, 249180), (80, 236721), (95, 199344), (114, 166120), (120, 157814), (152, 124590), (190, 99672), (228, 83060), (240, 78907), (285, 66448), (304, 62295), (380, 49836), (456, 41530), (570, 33224), (760, 24918), (912, 20765), (1140, 16612), (1520, 12459), (2280, 8306), (4153, 4560)]