19169404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 38495520

約数和(自身を除く): 19326116

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 68, 74, 76, 148, 323, 401, 629, 646, 703, 802, 1258, 1292, 1406, 1604, 2516, 2812, 6817, 7619, 11951, 13634, 14837, 15238, 23902, 27268, 29674, 30476, 47804, 59348, 129523, 252229, 259046, 281903, 504458, 518092, 563806, 1008916, 1127612, 4792351, 9584702, 19169404]

約数ペア:

[(1, 19169404), (2, 9584702), (4, 4792351), (17, 1127612), (19, 1008916), (34, 563806), (37, 518092), (38, 504458), (68, 281903), (74, 259046), (76, 252229), (148, 129523), (323, 59348), (401, 47804), (629, 30476), (646, 29674), (703, 27268), (802, 23902), (1258, 15238), (1292, 14837), (1406, 13634), (1604, 11951), (2516, 7619), (2812, 6817)]