18660736

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{7673}}^1$

素因数の和:7706

約数の個数: 32

約数和(自身を含む): 39137400

約数和(自身を除く): 20476664

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 7673, 15346, 30692, 61384, 122768, 145787, 245536, 291574, 491072, 583148, 982144, 1166296, 2332592, 4665184, 9330368, 18660736]

約数ペア:

[(1, 18660736), (2, 9330368), (4, 4665184), (8, 2332592), (16, 1166296), (19, 982144), (32, 583148), (38, 491072), (64, 291574), (76, 245536), (128, 145787), (152, 122768), (304, 61384), (608, 30692), (1216, 15346), (2432, 7673)]