19949056

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:894

約数の個数: 40

約数和(自身を含む): 40756320

約数和(自身を除く): 20807264

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 829, 1504, 1658, 3008, 3316, 6016, 6632, 12032, 13264, 24064, 26528, 38963, 53056, 77926, 106112, 155852, 212224, 311704, 424448, 623408, 1246816, 2493632, 4987264, 9974528, 19949056]

約数ペア:

[(1, 19949056), (2, 9974528), (4, 4987264), (8, 2493632), (16, 1246816), (32, 623408), (47, 424448), (64, 311704), (94, 212224), (128, 155852), (188, 106112), (256, 77926), (376, 53056), (512, 38963), (752, 26528), (829, 24064), (1504, 13264), (1658, 12032), (3008, 6632), (3316, 6016)]