18844735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9379265

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 415, 455, 499, 581, 1079, 2495, 2905, 3493, 5395, 6487, 7553, 17465, 32435, 37765, 41417, 45409, 207085, 227045, 289919, 538421, 1449595, 2692105, 3768947, 18844735]

約数ペア:

[(1, 18844735), (5, 3768947), (7, 2692105), (13, 1449595), (35, 538421), (65, 289919), (83, 227045), (91, 207085), (415, 45409), (455, 41417), (499, 37765), (581, 32435), (1079, 17465), (2495, 7553), (2905, 6487), (3493, 5395)]