18365144

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 23106856

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 71, 124, 142, 149, 217, 248, 284, 298, 434, 497, 568, 596, 868, 994, 1043, 1192, 1736, 1988, 2086, 2201, 3976, 4172, 4402, 4619, 8344, 8804, 9238, 10579, 15407, 17608, 18476, 21158, 30814, 32333, 36952, 42316, 61628, 64666, 74053, 84632, 123256, 129332, 148106, 258664, 296212, 327949, 592424, 655898, 1311796, 2295643, 2623592, 4591286, 9182572, 18365144]

約数ペア:

[(1, 18365144), (2, 9182572), (4, 4591286), (7, 2623592), (8, 2295643), (14, 1311796), (28, 655898), (31, 592424), (56, 327949), (62, 296212), (71, 258664), (124, 148106), (142, 129332), (149, 123256), (217, 84632), (248, 74053), (284, 64666), (298, 61628), (434, 42316), (497, 36952), (568, 32333), (596, 30814), (868, 21158), (994, 18476), (1043, 17608), (1192, 15407), (1736, 10579), (1988, 9238), (2086, 8804), (2201, 8344), (3976, 4619), (4172, 4402)]