19756890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 56019600

約数和(自身を除く): 36262710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 37, 45, 51, 74, 85, 90, 102, 111, 153, 170, 185, 222, 255, 306, 333, 349, 370, 510, 555, 629, 666, 698, 765, 1047, 1110, 1258, 1530, 1665, 1745, 1887, 2094, 3141, 3145, 3330, 3490, 3774, 5235, 5661, 5933, 6282, 6290, 9435, 10470, 11322, 11866, 12913, 15705, 17799, 18870, 25826, 28305, 29665, 31410, 35598, 38739, 53397, 56610, 59330, 64565, 77478, 88995, 106794, 116217, 129130, 177990, 193695, 219521, 232434, 266985, 387390, 439042, 533970, 581085, 658563, 1097605, 1162170, 1317126, 1975689, 2195210, 3292815, 3951378, 6585630, 9878445, 19756890]

約数ペア:

[(1, 19756890), (2, 9878445), (3, 6585630), (5, 3951378), (6, 3292815), (9, 2195210), (10, 1975689), (15, 1317126), (17, 1162170), (18, 1097605), (30, 658563), (34, 581085), (37, 533970), (45, 439042), (51, 387390), (74, 266985), (85, 232434), (90, 219521), (102, 193695), (111, 177990), (153, 129130), (170, 116217), (185, 106794), (222, 88995), (255, 77478), (306, 64565), (333, 59330), (349, 56610), (370, 53397), (510, 38739), (555, 35598), (629, 31410), (666, 29665), (698, 28305), (765, 25826), (1047, 18870), (1110, 17799), (1258, 15705), (1530, 12913), (1665, 11866), (1745, 11322), (1887, 10470), (2094, 9435), (3141, 6290), (3145, 6282), (3330, 5933), (3490, 5661), (3774, 5235)]