18802914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 43352064

約数和(自身を除く): 24549150

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 47, 69, 78, 94, 138, 141, 223, 282, 299, 446, 598, 611, 669, 897, 1081, 1222, 1338, 1794, 1833, 2162, 2899, 3243, 3666, 5129, 5798, 6486, 8697, 10258, 10481, 14053, 15387, 17394, 20962, 28106, 30774, 31443, 42159, 62886, 66677, 84318, 133354, 136253, 200031, 241063, 272506, 400062, 408759, 482126, 723189, 817518, 1446378, 3133819, 6267638, 9401457, 18802914]

約数ペア:

[(1, 18802914), (2, 9401457), (3, 6267638), (6, 3133819), (13, 1446378), (23, 817518), (26, 723189), (39, 482126), (46, 408759), (47, 400062), (69, 272506), (78, 241063), (94, 200031), (138, 136253), (141, 133354), (223, 84318), (282, 66677), (299, 62886), (446, 42159), (598, 31443), (611, 30774), (669, 28106), (897, 20962), (1081, 17394), (1222, 15387), (1338, 14053), (1794, 10481), (1833, 10258), (2162, 8697), (2899, 6486), (3243, 5798), (3666, 5129)]