18146744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 43027200

約数和(自身を除く): 24880456

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 89, 154, 178, 308, 331, 356, 616, 623, 662, 712, 979, 1246, 1324, 1958, 2317, 2492, 2648, 3641, 3916, 4634, 4984, 6853, 7282, 7832, 9268, 13706, 14564, 18536, 25487, 27412, 29128, 29459, 50974, 54824, 58918, 101948, 117836, 203896, 206213, 235672, 324049, 412426, 648098, 824852, 1296196, 1649704, 2268343, 2592392, 4536686, 9073372, 18146744]

約数ペア:

[(1, 18146744), (2, 9073372), (4, 4536686), (7, 2592392), (8, 2268343), (11, 1649704), (14, 1296196), (22, 824852), (28, 648098), (44, 412426), (56, 324049), (77, 235672), (88, 206213), (89, 203896), (154, 117836), (178, 101948), (308, 58918), (331, 54824), (356, 50974), (616, 29459), (623, 29128), (662, 27412), (712, 25487), (979, 18536), (1246, 14564), (1324, 13706), (1958, 9268), (2317, 7832), (2492, 7282), (2648, 6853), (3641, 4984), (3916, 4634)]