18873760

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 26032640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 659, 716, 895, 1318, 1432, 1790, 2636, 2864, 3295, 3580, 5272, 5728, 6590, 7160, 10544, 13180, 14320, 21088, 26360, 28640, 52720, 105440, 117961, 235922, 471844, 589805, 943688, 1179610, 1887376, 2359220, 3774752, 4718440, 9436880, 18873760]

約数ペア:

[(1, 18873760), (2, 9436880), (4, 4718440), (5, 3774752), (8, 2359220), (10, 1887376), (16, 1179610), (20, 943688), (32, 589805), (40, 471844), (80, 235922), (160, 117961), (179, 105440), (358, 52720), (659, 28640), (716, 26360), (895, 21088), (1318, 14320), (1432, 13180), (1790, 10544), (2636, 7160), (2864, 6590), (3295, 5728), (3580, 5272)]