18987004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8059}}^1$

素因数の和:8113

約数の個数: 24

約数和(自身を含む): 36108800

約数和(自身を除く): 17121796

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8059, 16118, 32236, 153121, 249829, 306242, 499658, 612484, 999316, 4746751, 9493502, 18987004]

約数ペア:

[(1, 18987004), (2, 9493502), (4, 4746751), (19, 999316), (31, 612484), (38, 499658), (62, 306242), (76, 249829), (124, 153121), (589, 32236), (1178, 16118), (2356, 8059)]