19360484

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 42699384

約数和(自身を除く): 23338900

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 181, 187, 221, 242, 286, 362, 374, 442, 484, 572, 724, 748, 884, 1573, 1991, 2057, 2353, 2431, 3077, 3146, 3982, 4114, 4706, 4862, 6154, 6292, 7964, 8228, 9412, 9724, 12308, 21901, 25883, 26741, 33847, 40001, 43802, 51766, 53482, 67694, 80002, 87604, 103532, 106964, 135388, 160004, 284713, 372317, 440011, 569426, 744634, 880022, 1138852, 1489268, 1760044, 4840121, 9680242, 19360484]

約数ペア:

[(1, 19360484), (2, 9680242), (4, 4840121), (11, 1760044), (13, 1489268), (17, 1138852), (22, 880022), (26, 744634), (34, 569426), (44, 440011), (52, 372317), (68, 284713), (121, 160004), (143, 135388), (181, 106964), (187, 103532), (221, 87604), (242, 80002), (286, 67694), (362, 53482), (374, 51766), (442, 43802), (484, 40001), (572, 33847), (724, 26741), (748, 25883), (884, 21901), (1573, 12308), (1991, 9724), (2057, 9412), (2353, 8228), (2431, 7964), (3077, 6292), (3146, 6154), (3982, 4862), (4114, 4706)]