18804905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8290135

約数列:

[1, 5, 7, 29, 35, 97, 145, 191, 203, 485, 679, 955, 1015, 1337, 2813, 3395, 5539, 6685, 14065, 18527, 19691, 27695, 38773, 92635, 98455, 129689, 193865, 537283, 648445, 2686415, 3760981, 18804905]

約数ペア:

[(1, 18804905), (5, 3760981), (7, 2686415), (29, 648445), (35, 537283), (97, 193865), (145, 129689), (191, 98455), (203, 92635), (485, 38773), (679, 27695), (955, 19691), (1015, 18527), (1337, 14065), (2813, 6685), (3395, 5539)]