18864270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 49308480

約数和(自身を除く): 30444210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 877, 1195, 1434, 1754, 2151, 2390, 2631, 3585, 4302, 4385, 5262, 7170, 7893, 8770, 10755, 13155, 15786, 21510, 26310, 39465, 78930, 209603, 419206, 628809, 1048015, 1257618, 1886427, 2096030, 3144045, 3772854, 6288090, 9432135, 18864270]

約数ペア:

[(1, 18864270), (2, 9432135), (3, 6288090), (5, 3772854), (6, 3144045), (9, 2096030), (10, 1886427), (15, 1257618), (18, 1048015), (30, 628809), (45, 419206), (90, 209603), (239, 78930), (478, 39465), (717, 26310), (877, 21510), (1195, 15786), (1434, 13155), (1754, 10755), (2151, 8770), (2390, 7893), (2631, 7170), (3585, 5262), (4302, 4385)]