18983938784

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{23767}}^1$

素因数の和:24115

約数の個数: 48

約数和(自身を含む): 37883815200

約数和(自身を除く): 18899876416

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 229, 436, 458, 872, 916, 1744, 1832, 3488, 3664, 7328, 23767, 24961, 47534, 49922, 95068, 99844, 190136, 199688, 380272, 399376, 760544, 798752, 2590603, 5181206, 5442643, 10362412, 10885286, 20724824, 21770572, 41449648, 43541144, 82899296, 87082288, 174164576, 593248087, 1186496174, 2372992348, 4745984696, 9491969392, 18983938784]

約数ペア:

[(1, 18983938784), (2, 9491969392), (4, 4745984696), (8, 2372992348), (16, 1186496174), (32, 593248087), (109, 174164576), (218, 87082288), (229, 82899296), (436, 43541144), (458, 41449648), (872, 21770572), (916, 20724824), (1744, 10885286), (1832, 10362412), (3488, 5442643), (3664, 5181206), (7328, 2590603), (23767, 798752), (24961, 760544), (47534, 399376), (49922, 380272), (95068, 199688), (99844, 190136)]