18773658

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 42883776

約数和(自身を除く): 24110118

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 137, 138, 207, 274, 331, 411, 414, 662, 822, 993, 1233, 1986, 2466, 2979, 3151, 5958, 6302, 7613, 9453, 15226, 18906, 22839, 28359, 45347, 45678, 56718, 68517, 90694, 136041, 137034, 272082, 408123, 816246, 1042981, 2085962, 3128943, 6257886, 9386829, 18773658]

約数ペア:

[(1, 18773658), (2, 9386829), (3, 6257886), (6, 3128943), (9, 2085962), (18, 1042981), (23, 816246), (46, 408123), (69, 272082), (137, 137034), (138, 136041), (207, 90694), (274, 68517), (331, 56718), (411, 45678), (414, 45347), (662, 28359), (822, 22839), (993, 18906), (1233, 15226), (1986, 9453), (2466, 7613), (2979, 6302), (3151, 5958)]