18436528

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 40075560

約数和(自身を除く): 21639032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 107, 121, 176, 178, 214, 242, 356, 428, 484, 712, 856, 968, 979, 1177, 1424, 1712, 1936, 1958, 2354, 3916, 4708, 7832, 9416, 9523, 10769, 12947, 15664, 18832, 19046, 21538, 25894, 38092, 43076, 51788, 76184, 86152, 103576, 104753, 152368, 172304, 207152, 209506, 419012, 838024, 1152283, 1676048, 2304566, 4609132, 9218264, 18436528]

約数ペア:

[(1, 18436528), (2, 9218264), (4, 4609132), (8, 2304566), (11, 1676048), (16, 1152283), (22, 838024), (44, 419012), (88, 209506), (89, 207152), (107, 172304), (121, 152368), (176, 104753), (178, 103576), (214, 86152), (242, 76184), (356, 51788), (428, 43076), (484, 38092), (712, 25894), (856, 21538), (968, 19046), (979, 18832), (1177, 15664), (1424, 12947), (1712, 10769), (1936, 9523), (1958, 9416), (2354, 7832), (3916, 4708)]