18007744

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 56

約数和(自身を含む): 38404800

約数和(自身を除く): 20397056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 152, 236, 251, 304, 472, 502, 608, 944, 1004, 1121, 1216, 1888, 2008, 2242, 3776, 4016, 4484, 4769, 8032, 8968, 9538, 14809, 16064, 17936, 19076, 29618, 35872, 38152, 59236, 71744, 76304, 118472, 152608, 236944, 281371, 305216, 473888, 562742, 947776, 1125484, 2250968, 4501936, 9003872, 18007744]

約数ペア:

[(1, 18007744), (2, 9003872), (4, 4501936), (8, 2250968), (16, 1125484), (19, 947776), (32, 562742), (38, 473888), (59, 305216), (64, 281371), (76, 236944), (118, 152608), (152, 118472), (236, 76304), (251, 71744), (304, 59236), (472, 38152), (502, 35872), (608, 29618), (944, 19076), (1004, 17936), (1121, 16064), (1216, 14809), (1888, 9538), (2008, 8968), (2242, 8032), (3776, 4769), (4016, 4484)]