18133775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 26569728

約数和(自身を除く): 8435953

約数列:

[1, 5, 11, 23, 25, 47, 55, 61, 115, 235, 253, 275, 305, 517, 575, 671, 1081, 1175, 1265, 1403, 1525, 2585, 2867, 3355, 5405, 6325, 7015, 11891, 12925, 14335, 15433, 16775, 27025, 31537, 35075, 59455, 65941, 71675, 77165, 157685, 297275, 329705, 385825, 725351, 788425, 1648525, 3626755, 18133775]

約数ペア:

[(1, 18133775), (5, 3626755), (11, 1648525), (23, 788425), (25, 725351), (47, 385825), (55, 329705), (61, 297275), (115, 157685), (235, 77165), (253, 71675), (275, 65941), (305, 59455), (517, 35075), (575, 31537), (671, 27025), (1081, 16775), (1175, 15433), (1265, 14335), (1403, 12925), (1525, 11891), (2585, 7015), (2867, 6325), (3355, 5405)]