18412940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 48620544

約数和(自身を除く): 30207604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 134, 140, 151, 182, 260, 268, 302, 335, 364, 455, 469, 604, 670, 755, 871, 910, 938, 1057, 1340, 1510, 1742, 1820, 1876, 1963, 2114, 2345, 3020, 3484, 3926, 4228, 4355, 4690, 5285, 6097, 7852, 8710, 9380, 9815, 10117, 10570, 12194, 13741, 17420, 19630, 20234, 21140, 24388, 27482, 30485, 39260, 40468, 50585, 54964, 60970, 68705, 70819, 101170, 121940, 131521, 137410, 141638, 202340, 263042, 274820, 283276, 354095, 526084, 657605, 708190, 920647, 1315210, 1416380, 1841294, 2630420, 3682588, 4603235, 9206470, 18412940]

約数ペア:

[(1, 18412940), (2, 9206470), (4, 4603235), (5, 3682588), (7, 2630420), (10, 1841294), (13, 1416380), (14, 1315210), (20, 920647), (26, 708190), (28, 657605), (35, 526084), (52, 354095), (65, 283276), (67, 274820), (70, 263042), (91, 202340), (130, 141638), (134, 137410), (140, 131521), (151, 121940), (182, 101170), (260, 70819), (268, 68705), (302, 60970), (335, 54964), (364, 50585), (455, 40468), (469, 39260), (604, 30485), (670, 27482), (755, 24388), (871, 21140), (910, 20234), (938, 19630), (1057, 17420), (1340, 13741), (1510, 12194), (1742, 10570), (1820, 10117), (1876, 9815), (1963, 9380), (2114, 8710), (2345, 7852), (3020, 6097), (3484, 5285), (3926, 4690), (4228, 4355)]