19751710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 41762304

約数和(自身を除く): 22010594

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 211, 230, 253, 370, 407, 422, 506, 814, 851, 1055, 1265, 1702, 2035, 2110, 2321, 2530, 4070, 4255, 4642, 4853, 7807, 8510, 9361, 9706, 11605, 15614, 18722, 23210, 24265, 39035, 46805, 48530, 53383, 78070, 85877, 93610, 106766, 171754, 179561, 266915, 359122, 429385, 533830, 858770, 897805, 1795610, 1975171, 3950342, 9875855, 19751710]

約数ペア:

[(1, 19751710), (2, 9875855), (5, 3950342), (10, 1975171), (11, 1795610), (22, 897805), (23, 858770), (37, 533830), (46, 429385), (55, 359122), (74, 266915), (110, 179561), (115, 171754), (185, 106766), (211, 93610), (230, 85877), (253, 78070), (370, 53383), (407, 48530), (422, 46805), (506, 39035), (814, 24265), (851, 23210), (1055, 18722), (1265, 15614), (1702, 11605), (2035, 9706), (2110, 9361), (2321, 8510), (2530, 7807), (4070, 4853), (4255, 4642)]