18978576

素因数分解:

$2^4\times 3^1\times {\mathrm{113}}^1\times {\mathrm{3499}}^1$

素因数の和:3623

約数の個数: 40

約数和(自身を含む): 49476000

約数和(自身を除く): 30497424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 113, 226, 339, 452, 678, 904, 1356, 1808, 2712, 3499, 5424, 6998, 10497, 13996, 20994, 27992, 41988, 55984, 83976, 167952, 395387, 790774, 1186161, 1581548, 2372322, 3163096, 4744644, 6326192, 9489288, 18978576]

約数ペア:

[(1, 18978576), (2, 9489288), (3, 6326192), (4, 4744644), (6, 3163096), (8, 2372322), (12, 1581548), (16, 1186161), (24, 790774), (48, 395387), (113, 167952), (226, 83976), (339, 55984), (452, 41988), (678, 27992), (904, 20994), (1356, 13996), (1808, 10497), (2712, 6998), (3499, 5424)]