19112275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 30220288

約数和(自身を除く): 11108013

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 271, 325, 403, 455, 775, 1085, 1355, 1897, 2015, 2275, 2821, 3523, 5425, 6775, 8401, 9485, 10075, 14105, 17615, 24661, 42005, 47425, 58807, 70525, 88075, 109213, 123305, 210025, 294035, 546065, 616525, 764491, 1470175, 2730325, 3822455, 19112275]

約数ペア:

[(1, 19112275), (5, 3822455), (7, 2730325), (13, 1470175), (25, 764491), (31, 616525), (35, 546065), (65, 294035), (91, 210025), (155, 123305), (175, 109213), (217, 88075), (271, 70525), (325, 58807), (403, 47425), (455, 42005), (775, 24661), (1085, 17615), (1355, 14105), (1897, 10075), (2015, 9485), (2275, 8401), (2821, 6775), (3523, 5425)]