18876044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 38613120

約数和(自身を除く): 19737076

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 134, 209, 268, 337, 418, 674, 737, 836, 1273, 1348, 1474, 2546, 2948, 3707, 5092, 6403, 7414, 12806, 14003, 14828, 22579, 25612, 28006, 45158, 56012, 70433, 90316, 140866, 248369, 281732, 429001, 496738, 858002, 993476, 1716004, 4719011, 9438022, 18876044]

約数ペア:

[(1, 18876044), (2, 9438022), (4, 4719011), (11, 1716004), (19, 993476), (22, 858002), (38, 496738), (44, 429001), (67, 281732), (76, 248369), (134, 140866), (209, 90316), (268, 70433), (337, 56012), (418, 45158), (674, 28006), (737, 25612), (836, 22579), (1273, 14828), (1348, 14003), (1474, 12806), (2546, 7414), (2948, 6403), (3707, 5092)]