19661472

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:542

約数の個数: 72

約数和(自身を含む): 56343924

約数和(自身を除く): 36682452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 288, 293, 466, 586, 699, 879, 932, 1172, 1398, 1758, 1864, 2097, 2344, 2637, 2796, 3516, 3728, 4194, 4688, 5274, 5592, 7032, 7456, 8388, 9376, 10548, 11184, 14064, 16776, 21096, 22368, 28128, 33552, 42192, 67104, 68269, 84384, 136538, 204807, 273076, 409614, 546152, 614421, 819228, 1092304, 1228842, 1638456, 2184608, 2457684, 3276912, 4915368, 6553824, 9830736, 19661472]

約数ペア:

[(1, 19661472), (2, 9830736), (3, 6553824), (4, 4915368), (6, 3276912), (8, 2457684), (9, 2184608), (12, 1638456), (16, 1228842), (18, 1092304), (24, 819228), (32, 614421), (36, 546152), (48, 409614), (72, 273076), (96, 204807), (144, 136538), (233, 84384), (288, 68269), (293, 67104), (466, 42192), (586, 33552), (699, 28128), (879, 22368), (932, 21096), (1172, 16776), (1398, 14064), (1758, 11184), (1864, 10548), (2097, 9376), (2344, 8388), (2637, 7456), (2796, 7032), (3516, 5592), (3728, 5274), (4194, 4688)]