19876270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 37368576

約数和(自身を除く): 17492306

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 661, 970, 1322, 3007, 3305, 6014, 6610, 15035, 20491, 30070, 40982, 64117, 102455, 128234, 204910, 320585, 641170, 1987627, 3975254, 9938135, 19876270]

約数ペア:

[(1, 19876270), (2, 9938135), (5, 3975254), (10, 1987627), (31, 641170), (62, 320585), (97, 204910), (155, 128234), (194, 102455), (310, 64117), (485, 40982), (661, 30070), (970, 20491), (1322, 15035), (3007, 6610), (3305, 6014)]