18937366955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{39323}}^1$

素因数の和:39611

約数の個数: 32

約数和(自身を含む): 25368698880

約数和(自身を除く): 6431331925

約数列:

[1, 5, 13, 31, 65, 155, 239, 403, 1195, 2015, 3107, 7409, 15535, 37045, 39323, 96317, 196615, 481585, 511199, 1219013, 2555995, 6095065, 9398197, 15847169, 46990985, 79235845, 122176561, 291344107, 610882805, 1456720535, 3787473391, 18937366955]

約数ペア:

[(1, 18937366955), (5, 3787473391), (13, 1456720535), (31, 610882805), (65, 291344107), (155, 122176561), (239, 79235845), (403, 46990985), (1195, 15847169), (2015, 9398197), (3107, 6095065), (7409, 2555995), (15535, 1219013), (37045, 511199), (39323, 481585), (96317, 196615)]