18018572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 39713520

約数和(自身を除く): 21694948

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 109, 143, 187, 218, 221, 286, 289, 374, 436, 442, 572, 578, 748, 884, 1156, 1199, 1417, 1853, 2398, 2431, 2834, 3179, 3706, 3757, 4796, 4862, 5668, 6358, 7412, 7514, 9724, 12716, 15028, 15587, 20383, 24089, 31174, 31501, 40766, 41327, 48178, 62348, 63002, 81532, 82654, 96356, 126004, 165308, 264979, 346511, 409513, 529958, 693022, 819026, 1059916, 1386044, 1638052, 4504643, 9009286, 18018572]

約数ペア:

[(1, 18018572), (2, 9009286), (4, 4504643), (11, 1638052), (13, 1386044), (17, 1059916), (22, 819026), (26, 693022), (34, 529958), (44, 409513), (52, 346511), (68, 264979), (109, 165308), (143, 126004), (187, 96356), (218, 82654), (221, 81532), (286, 63002), (289, 62348), (374, 48178), (436, 41327), (442, 40766), (572, 31501), (578, 31174), (748, 24089), (884, 20383), (1156, 15587), (1199, 15028), (1417, 12716), (1853, 9724), (2398, 7514), (2431, 7412), (2834, 6358), (3179, 5668), (3706, 4862), (3757, 4796)]