18799330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 20599070

約数列:

[1, 2, 5, 10, 11, 22, 31, 37, 55, 62, 74, 110, 149, 155, 185, 298, 310, 341, 370, 407, 682, 745, 814, 1147, 1490, 1639, 1705, 2035, 2294, 3278, 3410, 4070, 4619, 5513, 5735, 8195, 9238, 11026, 11470, 12617, 16390, 23095, 25234, 27565, 46190, 50809, 55130, 60643, 63085, 101618, 121286, 126170, 170903, 254045, 303215, 341806, 508090, 606430, 854515, 1709030, 1879933, 3759866, 9399665, 18799330]

約数ペア:

[(1, 18799330), (2, 9399665), (5, 3759866), (10, 1879933), (11, 1709030), (22, 854515), (31, 606430), (37, 508090), (55, 341806), (62, 303215), (74, 254045), (110, 170903), (149, 126170), (155, 121286), (185, 101618), (298, 63085), (310, 60643), (341, 55130), (370, 50809), (407, 46190), (682, 27565), (745, 25234), (814, 23095), (1147, 16390), (1490, 12617), (1639, 11470), (1705, 11026), (2035, 9238), (2294, 8195), (3278, 5735), (3410, 5513), (4070, 4619)]