19320290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 40186368

約数和(自身を除く): 20866078

約数列:

[1, 2, 5, 10, 11, 22, 37, 47, 55, 74, 94, 101, 110, 185, 202, 235, 370, 407, 470, 505, 517, 814, 1010, 1034, 1111, 1739, 2035, 2222, 2585, 3478, 3737, 4070, 4747, 5170, 5555, 7474, 8695, 9494, 11110, 17390, 18685, 19129, 23735, 37370, 38258, 41107, 47470, 52217, 82214, 95645, 104434, 175639, 191290, 205535, 261085, 351278, 411070, 522170, 878195, 1756390, 1932029, 3864058, 9660145, 19320290]

約数ペア:

[(1, 19320290), (2, 9660145), (5, 3864058), (10, 1932029), (11, 1756390), (22, 878195), (37, 522170), (47, 411070), (55, 351278), (74, 261085), (94, 205535), (101, 191290), (110, 175639), (185, 104434), (202, 95645), (235, 82214), (370, 52217), (407, 47470), (470, 41107), (505, 38258), (517, 37370), (814, 23735), (1010, 19129), (1034, 18685), (1111, 17390), (1739, 11110), (2035, 9494), (2222, 8695), (2585, 7474), (3478, 5555), (3737, 5170), (4070, 4747)]