18389892

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 44210880

約数和(自身を除く): 25820988

約数列:

[1, 2, 3, 4, 6, 12, 67, 89, 134, 178, 201, 257, 267, 268, 356, 402, 514, 534, 771, 804, 1028, 1068, 1542, 3084, 5963, 11926, 17219, 17889, 22873, 23852, 34438, 35778, 45746, 51657, 68619, 68876, 71556, 91492, 103314, 137238, 206628, 274476, 1532491, 3064982, 4597473, 6129964, 9194946, 18389892]

約数ペア:

[(1, 18389892), (2, 9194946), (3, 6129964), (4, 4597473), (6, 3064982), (12, 1532491), (67, 274476), (89, 206628), (134, 137238), (178, 103314), (201, 91492), (257, 71556), (267, 68876), (268, 68619), (356, 51657), (402, 45746), (514, 35778), (534, 34438), (771, 23852), (804, 22873), (1028, 17889), (1068, 17219), (1542, 11926), (3084, 5963)]