19005251915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{17713}}^1$

素因数の和:18719

約数の個数: 32

約数和(自身を含む): 26033628096

約数和(自身を除く): 7028376181

約数列:

[1, 5, 13, 17, 65, 85, 221, 971, 1105, 4855, 12623, 16507, 17713, 63115, 82535, 88565, 214591, 230269, 301121, 1072955, 1151345, 1505605, 3914573, 17199323, 19572865, 85996615, 223591199, 292388491, 1117955995, 1461942455, 3801050383, 19005251915]

約数ペア:

[(1, 19005251915), (5, 3801050383), (13, 1461942455), (17, 1117955995), (65, 292388491), (85, 223591199), (221, 85996615), (971, 19572865), (1105, 17199323), (4855, 3914573), (12623, 1505605), (16507, 1151345), (17713, 1072955), (63115, 301121), (82535, 230269), (88565, 214591)]