18661552

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1831}}^1$

素因数の和:1866

約数の個数: 60

約数和(自身を含む): 45320016

約数和(自身を除く): 26658464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 1831, 2548, 3662, 5096, 7324, 10192, 12817, 14648, 23803, 25634, 29296, 47606, 51268, 89719, 95212, 102536, 166621, 179438, 190424, 205072, 333242, 358876, 380848, 666484, 717752, 1166347, 1332968, 1435504, 2332694, 2665936, 4665388, 9330776, 18661552]

約数ペア:

[(1, 18661552), (2, 9330776), (4, 4665388), (7, 2665936), (8, 2332694), (13, 1435504), (14, 1332968), (16, 1166347), (26, 717752), (28, 666484), (49, 380848), (52, 358876), (56, 333242), (91, 205072), (98, 190424), (104, 179438), (112, 166621), (182, 102536), (196, 95212), (208, 89719), (364, 51268), (392, 47606), (637, 29296), (728, 25634), (784, 23803), (1274, 14648), (1456, 12817), (1831, 10192), (2548, 7324), (3662, 5096)]