18330796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 18441044

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 89, 124, 151, 178, 302, 341, 356, 604, 682, 979, 1364, 1661, 1958, 2759, 3322, 3916, 4681, 5518, 6644, 9362, 11036, 13439, 18724, 26878, 30349, 51491, 53756, 60698, 102982, 121396, 147829, 205964, 295658, 416609, 591316, 833218, 1666436, 4582699, 9165398, 18330796]

約数ペア:

[(1, 18330796), (2, 9165398), (4, 4582699), (11, 1666436), (22, 833218), (31, 591316), (44, 416609), (62, 295658), (89, 205964), (124, 147829), (151, 121396), (178, 102982), (302, 60698), (341, 53756), (356, 51491), (604, 30349), (682, 26878), (979, 18724), (1364, 13439), (1661, 11036), (1958, 9362), (2759, 6644), (3322, 5518), (3916, 4681)]