19040892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 49497840

約数和(自身を除く): 30456948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 169, 229, 246, 338, 458, 492, 507, 533, 676, 687, 916, 1014, 1066, 1374, 1599, 2028, 2132, 2748, 2977, 3198, 5954, 6396, 6929, 8931, 9389, 11908, 13858, 17862, 18778, 20787, 27716, 28167, 35724, 37556, 38701, 41574, 56334, 77402, 83148, 112668, 116103, 122057, 154804, 232206, 244114, 366171, 464412, 488228, 732342, 1464684, 1586741, 3173482, 4760223, 6346964, 9520446, 19040892]

約数ペア:

[(1, 19040892), (2, 9520446), (3, 6346964), (4, 4760223), (6, 3173482), (12, 1586741), (13, 1464684), (26, 732342), (39, 488228), (41, 464412), (52, 366171), (78, 244114), (82, 232206), (123, 154804), (156, 122057), (164, 116103), (169, 112668), (229, 83148), (246, 77402), (338, 56334), (458, 41574), (492, 38701), (507, 37556), (533, 35724), (676, 28167), (687, 27716), (916, 20787), (1014, 18778), (1066, 17862), (1374, 13858), (1599, 11908), (2028, 9389), (2132, 8931), (2748, 6929), (2977, 6396), (3198, 5954)]