18829509560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1\times {\mathrm{10711}}^1$

素因数の和:11412

約数の個数: 64

約数和(自身を含む): 43036531200

約数和(自身を除く): 24207021640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 619, 710, 1238, 1420, 2476, 2840, 3095, 4952, 6190, 10711, 12380, 21422, 24760, 42844, 43949, 53555, 85688, 87898, 107110, 175796, 214220, 219745, 351592, 428440, 439490, 760481, 878980, 1520962, 1757960, 3041924, 3802405, 6083848, 6630109, 7604810, 13260218, 15209620, 26520436, 30419240, 33150545, 53040872, 66301090, 132602180, 265204360, 470737739, 941475478, 1882950956, 2353688695, 3765901912, 4707377390, 9414754780, 18829509560]

約数ペア:

[(1, 18829509560), (2, 9414754780), (4, 4707377390), (5, 3765901912), (8, 2353688695), (10, 1882950956), (20, 941475478), (40, 470737739), (71, 265204360), (142, 132602180), (284, 66301090), (355, 53040872), (568, 33150545), (619, 30419240), (710, 26520436), (1238, 15209620), (1420, 13260218), (2476, 7604810), (2840, 6630109), (3095, 6083848), (4952, 3802405), (6190, 3041924), (10711, 1757960), (12380, 1520962), (21422, 878980), (24760, 760481), (42844, 439490), (43949, 428440), (53555, 351592), (85688, 219745), (87898, 214220), (107110, 175796)]