18956005924

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{449}}^1\times {\mathrm{619}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 35974260000

約数和(自身を除く): 17018254076

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 289, 449, 578, 619, 898, 1003, 1156, 1238, 1796, 2006, 2476, 4012, 7633, 10523, 15266, 17051, 21046, 26491, 30532, 34102, 36521, 42092, 52982, 68204, 73042, 105964, 129761, 146084, 178891, 259522, 277931, 357782, 450347, 519044, 555862, 620857, 715564, 900694, 1111724, 1241714, 1801388, 2483428, 4724827, 7655899, 9449654, 10554569, 15311798, 16397929, 18899308, 21109138, 30623596, 32795858, 42218276, 65591716, 80322059, 160644118, 278764793, 321288236, 557529586, 1115059172, 4739001481, 9478002962, 18956005924]

約数ペア:

[(1, 18956005924), (2, 9478002962), (4, 4739001481), (17, 1115059172), (34, 557529586), (59, 321288236), (68, 278764793), (118, 160644118), (236, 80322059), (289, 65591716), (449, 42218276), (578, 32795858), (619, 30623596), (898, 21109138), (1003, 18899308), (1156, 16397929), (1238, 15311798), (1796, 10554569), (2006, 9449654), (2476, 7655899), (4012, 4724827), (7633, 2483428), (10523, 1801388), (15266, 1241714), (17051, 1111724), (21046, 900694), (26491, 715564), (30532, 620857), (34102, 555862), (36521, 519044), (42092, 450347), (52982, 357782), (68204, 277931), (73042, 259522), (105964, 178891), (129761, 146084)]