19146556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 23083604

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 179, 187, 221, 242, 286, 358, 374, 442, 484, 572, 716, 748, 884, 1573, 1969, 2057, 2327, 2431, 3043, 3146, 3938, 4114, 4654, 4862, 6086, 6292, 7876, 8228, 9308, 9724, 12172, 21659, 25597, 26741, 33473, 39559, 43318, 51194, 53482, 66946, 79118, 86636, 102388, 106964, 133892, 158236, 281567, 368203, 435149, 563134, 736406, 870298, 1126268, 1472812, 1740596, 4786639, 9573278, 19146556]

約数ペア:

[(1, 19146556), (2, 9573278), (4, 4786639), (11, 1740596), (13, 1472812), (17, 1126268), (22, 870298), (26, 736406), (34, 563134), (44, 435149), (52, 368203), (68, 281567), (121, 158236), (143, 133892), (179, 106964), (187, 102388), (221, 86636), (242, 79118), (286, 66946), (358, 53482), (374, 51194), (442, 43318), (484, 39559), (572, 33473), (716, 26741), (748, 25597), (884, 21659), (1573, 12172), (1969, 9724), (2057, 9308), (2327, 8228), (2431, 7876), (3043, 6292), (3146, 6086), (3938, 4862), (4114, 4654)]