18185944

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 40930560

約数和(自身を除く): 22744616

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 67, 74, 131, 134, 148, 259, 262, 268, 296, 469, 518, 524, 536, 917, 938, 1036, 1048, 1834, 1876, 2072, 2479, 3668, 3752, 4847, 4958, 7336, 8777, 9694, 9916, 17353, 17554, 19388, 19832, 33929, 34706, 35108, 38776, 61439, 67858, 69412, 70216, 122878, 135716, 138824, 245756, 271432, 324749, 491512, 649498, 1298996, 2273243, 2597992, 4546486, 9092972, 18185944]

約数ペア:

[(1, 18185944), (2, 9092972), (4, 4546486), (7, 2597992), (8, 2273243), (14, 1298996), (28, 649498), (37, 491512), (56, 324749), (67, 271432), (74, 245756), (131, 138824), (134, 135716), (148, 122878), (259, 70216), (262, 69412), (268, 67858), (296, 61439), (469, 38776), (518, 35108), (524, 34706), (536, 33929), (917, 19832), (938, 19388), (1036, 17554), (1048, 17353), (1834, 9916), (1876, 9694), (2072, 8777), (2479, 7336), (3668, 4958), (3752, 4847)]