18253480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 30584120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 139, 140, 196, 245, 268, 278, 280, 335, 392, 469, 490, 536, 556, 670, 695, 938, 973, 980, 1112, 1340, 1390, 1876, 1946, 1960, 2345, 2680, 2780, 3283, 3752, 3892, 4690, 4865, 5560, 6566, 6811, 7784, 9313, 9380, 9730, 13132, 13622, 16415, 18626, 18760, 19460, 26264, 27244, 32830, 34055, 37252, 38920, 46565, 54488, 65191, 65660, 68110, 74504, 93130, 130382, 131320, 136220, 186260, 260764, 272440, 325955, 372520, 456337, 521528, 651910, 912674, 1303820, 1825348, 2281685, 2607640, 3650696, 4563370, 9126740, 18253480]

約数ペア:

[(1, 18253480), (2, 9126740), (4, 4563370), (5, 3650696), (7, 2607640), (8, 2281685), (10, 1825348), (14, 1303820), (20, 912674), (28, 651910), (35, 521528), (40, 456337), (49, 372520), (56, 325955), (67, 272440), (70, 260764), (98, 186260), (134, 136220), (139, 131320), (140, 130382), (196, 93130), (245, 74504), (268, 68110), (278, 65660), (280, 65191), (335, 54488), (392, 46565), (469, 38920), (490, 37252), (536, 34055), (556, 32830), (670, 27244), (695, 26264), (938, 19460), (973, 18760), (980, 18626), (1112, 16415), (1340, 13622), (1390, 13132), (1876, 9730), (1946, 9380), (1960, 9313), (2345, 7784), (2680, 6811), (2780, 6566), (3283, 5560), (3752, 4865), (3892, 4690)]