18426681

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 33196800

約数和(自身を除く): 14770119

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 151, 273, 447, 453, 819, 1043, 1057, 1341, 1359, 1937, 1963, 3129, 3171, 5811, 5889, 9387, 9513, 13559, 13741, 17433, 17667, 22499, 40677, 41223, 67497, 122031, 123669, 157493, 202491, 292487, 472479, 877461, 1417437, 2047409, 2632383, 6142227, 18426681]

約数ペア:

[(1, 18426681), (3, 6142227), (7, 2632383), (9, 2047409), (13, 1417437), (21, 877461), (39, 472479), (63, 292487), (91, 202491), (117, 157493), (149, 123669), (151, 122031), (273, 67497), (447, 41223), (453, 40677), (819, 22499), (1043, 17667), (1057, 17433), (1341, 13741), (1359, 13559), (1937, 9513), (1963, 9387), (3129, 5889), (3171, 5811)]