18980493553385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41719}}^1\times {\mathrm{52627}}^1$

素因数の和:94390

約数の個数: 64

約数和(自身を含む): 29509403750400

約数和(自身を除く): 10528910197015

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 41719, 52627, 208595, 263135, 292033, 368389, 542347, 684151, 792661, 999913, 1460165, 1841945, 2711735, 3420755, 3796429, 3963305, 4789057, 4999565, 5548627, 6999391, 10304593, 12998869, 18982145, 23945285, 27743135, 34996955, 51522965, 64994345, 72132151, 90992083, 360660755, 454960415, 2195545813, 10977729065, 15368820691, 28542095569, 41715370447, 76844103455, 142710477845, 199794668983, 208576852235, 292007593129, 542299815811, 998973344915, 1460037965645, 2711499079055, 3796098710677, 18980493553385]

約数ペア:

[(1, 18980493553385), (5, 3796098710677), (7, 2711499079055), (13, 1460037965645), (19, 998973344915), (35, 542299815811), (65, 292007593129), (91, 208576852235), (95, 199794668983), (133, 142710477845), (247, 76844103455), (455, 41715370447), (665, 28542095569), (1235, 15368820691), (1729, 10977729065), (8645, 2195545813), (41719, 454960415), (52627, 360660755), (208595, 90992083), (263135, 72132151), (292033, 64994345), (368389, 51522965), (542347, 34996955), (684151, 27743135), (792661, 23945285), (999913, 18982145), (1460165, 12998869), (1841945, 10304593), (2711735, 6999391), (3420755, 5548627), (3796429, 4999565), (3963305, 4789057)]