19005694870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1\times {\mathrm{1381}}^1$

素因数の和:2161

約数の個数: 64

約数和(自身を含む): 36412493760

約数和(自身を除く): 17406798890

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 641, 1130, 1282, 1381, 2147, 2762, 3205, 4294, 6410, 6905, 10735, 12179, 13810, 21470, 24358, 26239, 52478, 60895, 72433, 121790, 131195, 144866, 156053, 262390, 312106, 362165, 724330, 780265, 885221, 1376227, 1560530, 1770442, 2752454, 2965007, 4426105, 5930014, 6881135, 8852210, 13762270, 14825035, 16819199, 29650070, 33638398, 84095995, 100029973, 168191990, 200059946, 500149865, 1000299730, 1900569487, 3801138974, 9502847435, 19005694870]

約数ペア:

[(1, 19005694870), (2, 9502847435), (5, 3801138974), (10, 1900569487), (19, 1000299730), (38, 500149865), (95, 200059946), (113, 168191990), (190, 100029973), (226, 84095995), (565, 33638398), (641, 29650070), (1130, 16819199), (1282, 14825035), (1381, 13762270), (2147, 8852210), (2762, 6881135), (3205, 5930014), (4294, 4426105), (6410, 2965007), (6905, 2752454), (10735, 1770442), (12179, 1560530), (13810, 1376227), (21470, 885221), (24358, 780265), (26239, 724330), (52478, 362165), (60895, 312106), (72433, 262390), (121790, 156053), (131195, 144866)]