18345873

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 14555247

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 59, 67, 91, 119, 177, 201, 221, 273, 357, 413, 469, 663, 767, 871, 1003, 1139, 1239, 1407, 1547, 2301, 2613, 3009, 3417, 3953, 4641, 5369, 6097, 7021, 7973, 11859, 13039, 14807, 16107, 18291, 21063, 23919, 27671, 39117, 44421, 51389, 67201, 83013, 91273, 103649, 154167, 201603, 273819, 310947, 359723, 470407, 873613, 1079169, 1411221, 2620839, 6115291, 18345873]

約数ペア:

[(1, 18345873), (3, 6115291), (7, 2620839), (13, 1411221), (17, 1079169), (21, 873613), (39, 470407), (51, 359723), (59, 310947), (67, 273819), (91, 201603), (119, 154167), (177, 103649), (201, 91273), (221, 83013), (273, 67201), (357, 51389), (413, 44421), (469, 39117), (663, 27671), (767, 23919), (871, 21063), (1003, 18291), (1139, 16107), (1239, 14807), (1407, 13039), (1547, 11859), (2301, 7973), (2613, 7021), (3009, 6097), (3417, 5369), (3953, 4641)]