19665841912

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 37741017600

約数和(自身を除く): 18075175688

約数列:

[1, 2, 4, 8, 103, 109, 206, 218, 347, 412, 436, 631, 694, 824, 872, 1262, 1388, 2524, 2776, 5048, 11227, 22454, 35741, 37823, 44908, 64993, 68779, 71482, 75646, 89816, 129986, 137558, 142964, 151292, 218957, 259972, 275116, 285928, 302584, 437914, 519944, 550232, 875828, 1751656, 3895769, 7084237, 7791538, 14168474, 15583076, 22552571, 23866313, 28336948, 31166152, 45105142, 47732626, 56673896, 90210284, 95465252, 180420568, 190930504, 2458230239, 4916460478, 9832920956, 19665841912]

約数ペア:

[(1, 19665841912), (2, 9832920956), (4, 4916460478), (8, 2458230239), (103, 190930504), (109, 180420568), (206, 95465252), (218, 90210284), (347, 56673896), (412, 47732626), (436, 45105142), (631, 31166152), (694, 28336948), (824, 23866313), (872, 22552571), (1262, 15583076), (1388, 14168474), (2524, 7791538), (2776, 7084237), (5048, 3895769), (11227, 1751656), (22454, 875828), (35741, 550232), (37823, 519944), (44908, 437914), (64993, 302584), (68779, 285928), (71482, 275116), (75646, 259972), (89816, 218957), (129986, 151292), (137558, 142964)]