19944003712

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{593}}^1\times {\mathrm{2551}}^1$

素因数の和:3261

約数の個数: 64

約数和(自身を含む): 40201349760

約数和(自身を除く): 20257346048

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 593, 824, 1186, 1648, 2372, 2551, 3296, 4744, 5102, 6592, 9488, 10204, 13184, 18976, 20408, 37952, 40816, 61079, 75904, 81632, 122158, 163264, 244316, 262753, 326528, 488632, 525506, 977264, 1051012, 1512743, 1954528, 2102024, 3025486, 3909056, 4204048, 6050972, 7818112, 8408096, 12101944, 16816192, 24203888, 33632384, 48407776, 96815552, 155812529, 193631104, 311625058, 623250116, 1246500232, 2493000464, 4986000928, 9972001856, 19944003712]

約数ペア:

[(1, 19944003712), (2, 9972001856), (4, 4986000928), (8, 2493000464), (16, 1246500232), (32, 623250116), (64, 311625058), (103, 193631104), (128, 155812529), (206, 96815552), (412, 48407776), (593, 33632384), (824, 24203888), (1186, 16816192), (1648, 12101944), (2372, 8408096), (2551, 7818112), (3296, 6050972), (4744, 4204048), (5102, 3909056), (6592, 3025486), (9488, 2102024), (10204, 1954528), (13184, 1512743), (18976, 1051012), (20408, 977264), (37952, 525506), (40816, 488632), (61079, 326528), (75904, 262753), (81632, 244316), (122158, 163264)]