19320390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 51955200

約数和(自身を除く): 32634810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 270, 326, 439, 489, 815, 878, 978, 1317, 1467, 1630, 2195, 2445, 2634, 2934, 3951, 4390, 4401, 4890, 6585, 7335, 7902, 8802, 11853, 13170, 14670, 19755, 22005, 23706, 39510, 44010, 59265, 71557, 118530, 143114, 214671, 357785, 429342, 644013, 715570, 1073355, 1288026, 1932039, 2146710, 3220065, 3864078, 6440130, 9660195, 19320390]

約数ペア:

[(1, 19320390), (2, 9660195), (3, 6440130), (5, 3864078), (6, 3220065), (9, 2146710), (10, 1932039), (15, 1288026), (18, 1073355), (27, 715570), (30, 644013), (45, 429342), (54, 357785), (90, 214671), (135, 143114), (163, 118530), (270, 71557), (326, 59265), (439, 44010), (489, 39510), (815, 23706), (878, 22005), (978, 19755), (1317, 14670), (1467, 13170), (1630, 11853), (2195, 8802), (2445, 7902), (2634, 7335), (2934, 6585), (3951, 4890), (4390, 4401)]