19577272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 43797600

約数和(自身を除く): 24220328

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 109, 143, 157, 218, 286, 314, 436, 572, 628, 872, 1144, 1199, 1256, 1417, 1727, 2041, 2398, 2834, 3454, 4082, 4796, 5668, 6908, 8164, 9592, 11336, 13816, 15587, 16328, 17113, 22451, 31174, 34226, 44902, 62348, 68452, 89804, 124696, 136904, 179608, 188243, 222469, 376486, 444938, 752972, 889876, 1505944, 1779752, 2447159, 4894318, 9788636, 19577272]

約数ペア:

[(1, 19577272), (2, 9788636), (4, 4894318), (8, 2447159), (11, 1779752), (13, 1505944), (22, 889876), (26, 752972), (44, 444938), (52, 376486), (88, 222469), (104, 188243), (109, 179608), (143, 136904), (157, 124696), (218, 89804), (286, 68452), (314, 62348), (436, 44902), (572, 34226), (628, 31174), (872, 22451), (1144, 17113), (1199, 16328), (1256, 15587), (1417, 13816), (1727, 11336), (2041, 9592), (2398, 8164), (2834, 6908), (3454, 5668), (4082, 4796)]