19909302

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 48806400

約数和(自身を除く): 28897098

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 183, 266, 366, 399, 409, 427, 798, 818, 854, 1159, 1227, 1281, 2318, 2454, 2562, 2863, 3477, 5726, 6954, 7771, 8113, 8589, 15542, 16226, 17178, 23313, 24339, 24949, 46626, 48678, 49898, 54397, 74847, 108794, 149694, 163191, 174643, 326382, 349286, 474031, 523929, 948062, 1047858, 1422093, 2844186, 3318217, 6636434, 9954651, 19909302]

約数ペア:

[(1, 19909302), (2, 9954651), (3, 6636434), (6, 3318217), (7, 2844186), (14, 1422093), (19, 1047858), (21, 948062), (38, 523929), (42, 474031), (57, 349286), (61, 326382), (114, 174643), (122, 163191), (133, 149694), (183, 108794), (266, 74847), (366, 54397), (399, 49898), (409, 48678), (427, 46626), (798, 24949), (818, 24339), (854, 23313), (1159, 17178), (1227, 16226), (1281, 15542), (2318, 8589), (2454, 8113), (2562, 7771), (2863, 6954), (3477, 5726)]