19848126848

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{178439}}^1$

素因数の和:178543

約数の個数: 64

約数和(自身を含む): 43682112000

約数和(自身を除く): 23833985152

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 316, 352, 632, 704, 869, 1264, 1408, 1738, 2528, 3476, 5056, 6952, 10112, 13904, 27808, 55616, 111232, 178439, 356878, 713756, 1427512, 1962829, 2855024, 3925658, 5710048, 7851316, 11420096, 14096681, 15702632, 22840192, 28193362, 31405264, 56386724, 62810528, 112773448, 125621056, 155063491, 225546896, 251242112, 310126982, 451093792, 620253964, 902187584, 1240507928, 1804375168, 2481015856, 4962031712, 9924063424, 19848126848]

約数ペア:

[(1, 19848126848), (2, 9924063424), (4, 4962031712), (8, 2481015856), (11, 1804375168), (16, 1240507928), (22, 902187584), (32, 620253964), (44, 451093792), (64, 310126982), (79, 251242112), (88, 225546896), (128, 155063491), (158, 125621056), (176, 112773448), (316, 62810528), (352, 56386724), (632, 31405264), (704, 28193362), (869, 22840192), (1264, 15702632), (1408, 14096681), (1738, 11420096), (2528, 7851316), (3476, 5710048), (5056, 3925658), (6952, 2855024), (10112, 1962829), (13904, 1427512), (27808, 713756), (55616, 356878), (111232, 178439)]