19377730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 36681984

約数和(自身を除く): 17304254

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 346, 487, 865, 974, 1730, 2435, 3979, 4870, 7958, 11201, 19895, 22402, 39790, 56005, 84251, 112010, 168502, 421255, 842510, 1937773, 3875546, 9688865, 19377730]

約数ペア:

[(1, 19377730), (2, 9688865), (5, 3875546), (10, 1937773), (23, 842510), (46, 421255), (115, 168502), (173, 112010), (230, 84251), (346, 56005), (487, 39790), (865, 22402), (974, 19895), (1730, 11201), (2435, 7958), (3979, 4870)]