19389480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 65335680

約数和(自身を除く): 45946200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 397, 407, 440, 444, 555, 660, 740, 794, 814, 888, 1110, 1191, 1221, 1320, 1480, 1588, 1628, 1985, 2035, 2220, 2382, 2442, 3176, 3256, 3970, 4070, 4367, 4440, 4764, 4884, 5955, 6105, 7940, 8140, 8734, 9528, 9768, 11910, 12210, 13101, 14689, 15880, 16280, 17468, 21835, 23820, 24420, 26202, 29378, 34936, 43670, 44067, 47640, 48840, 52404, 58756, 65505, 73445, 87340, 88134, 104808, 117512, 131010, 146890, 161579, 174680, 176268, 220335, 262020, 293780, 323158, 352536, 440670, 484737, 524040, 587560, 646316, 807895, 881340, 969474, 1292632, 1615790, 1762680, 1938948, 2423685, 3231580, 3877896, 4847370, 6463160, 9694740, 19389480]

約数ペア:

[(1, 19389480), (2, 9694740), (3, 6463160), (4, 4847370), (5, 3877896), (6, 3231580), (8, 2423685), (10, 1938948), (11, 1762680), (12, 1615790), (15, 1292632), (20, 969474), (22, 881340), (24, 807895), (30, 646316), (33, 587560), (37, 524040), (40, 484737), (44, 440670), (55, 352536), (60, 323158), (66, 293780), (74, 262020), (88, 220335), (110, 176268), (111, 174680), (120, 161579), (132, 146890), (148, 131010), (165, 117512), (185, 104808), (220, 88134), (222, 87340), (264, 73445), (296, 65505), (330, 58756), (370, 52404), (397, 48840), (407, 47640), (440, 44067), (444, 43670), (555, 34936), (660, 29378), (740, 26202), (794, 24420), (814, 23820), (888, 21835), (1110, 17468), (1191, 16280), (1221, 15880), (1320, 14689), (1480, 13101), (1588, 12210), (1628, 11910), (1985, 9768), (2035, 9528), (2220, 8734), (2382, 8140), (2442, 7940), (3176, 6105), (3256, 5955), (3970, 4884), (4070, 4764), (4367, 4440)]