18148724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 38646720

約数和(自身を除く): 20497996

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1277, 1292, 2554, 3553, 5108, 7106, 14047, 14212, 21709, 24263, 28094, 43418, 48526, 56188, 86836, 97052, 238799, 266893, 412471, 477598, 533786, 824942, 955196, 1067572, 1649884, 4537181, 9074362, 18148724]

約数ペア:

[(1, 18148724), (2, 9074362), (4, 4537181), (11, 1649884), (17, 1067572), (19, 955196), (22, 824942), (34, 533786), (38, 477598), (44, 412471), (68, 266893), (76, 238799), (187, 97052), (209, 86836), (323, 56188), (374, 48526), (418, 43418), (646, 28094), (748, 24263), (836, 21709), (1277, 14212), (1292, 14047), (2554, 7106), (3553, 5108)]