18220164

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 45124800

約数和(自身を除く): 26904636

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 157, 228, 314, 471, 509, 628, 942, 1018, 1527, 1884, 2036, 2983, 3054, 5966, 6108, 8949, 9671, 11932, 17898, 19342, 29013, 35796, 38684, 58026, 79913, 116052, 159826, 239739, 319652, 479478, 958956, 1518347, 3036694, 4555041, 6073388, 9110082, 18220164]

約数ペア:

[(1, 18220164), (2, 9110082), (3, 6073388), (4, 4555041), (6, 3036694), (12, 1518347), (19, 958956), (38, 479478), (57, 319652), (76, 239739), (114, 159826), (157, 116052), (228, 79913), (314, 58026), (471, 38684), (509, 35796), (628, 29013), (942, 19342), (1018, 17898), (1527, 11932), (1884, 9671), (2036, 8949), (2983, 6108), (3054, 5966)]