1819290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 4924800

約数和(自身を除く): 3105510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 149, 165, 185, 222, 298, 330, 370, 407, 447, 555, 745, 814, 894, 1110, 1221, 1490, 1639, 2035, 2235, 2442, 3278, 4070, 4470, 4917, 5513, 6105, 8195, 9834, 11026, 12210, 16390, 16539, 24585, 27565, 33078, 49170, 55130, 60643, 82695, 121286, 165390, 181929, 303215, 363858, 606430, 909645, 1819290]

約数ペア:

[(1, 1819290), (2, 909645), (3, 606430), (5, 363858), (6, 303215), (10, 181929), (11, 165390), (15, 121286), (22, 82695), (30, 60643), (33, 55130), (37, 49170), (55, 33078), (66, 27565), (74, 24585), (110, 16539), (111, 16390), (149, 12210), (165, 11026), (185, 9834), (222, 8195), (298, 6105), (330, 5513), (370, 4917), (407, 4470), (447, 4070), (555, 3278), (745, 2442), (814, 2235), (894, 2035), (1110, 1639), (1221, 1490)]