18729594

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 72

約数和(自身を含む): 45220032

約数和(自身を除く): 26490438

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 131, 141, 169, 234, 262, 282, 338, 393, 423, 507, 611, 786, 846, 1014, 1179, 1222, 1521, 1703, 1833, 2358, 3042, 3406, 3666, 5109, 5499, 6157, 7943, 10218, 10998, 12314, 15327, 15886, 18471, 22139, 23829, 30654, 36942, 44278, 47658, 55413, 66417, 71487, 80041, 110826, 132834, 142974, 160082, 199251, 240123, 398502, 480246, 720369, 1040533, 1440738, 2081066, 3121599, 6243198, 9364797, 18729594]

約数ペア:

[(1, 18729594), (2, 9364797), (3, 6243198), (6, 3121599), (9, 2081066), (13, 1440738), (18, 1040533), (26, 720369), (39, 480246), (47, 398502), (78, 240123), (94, 199251), (117, 160082), (131, 142974), (141, 132834), (169, 110826), (234, 80041), (262, 71487), (282, 66417), (338, 55413), (393, 47658), (423, 44278), (507, 36942), (611, 30654), (786, 23829), (846, 22139), (1014, 18471), (1179, 15886), (1222, 15327), (1521, 12314), (1703, 10998), (1833, 10218), (2358, 7943), (3042, 6157), (3406, 5499), (3666, 5109)]