201818011115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{35081}}^1$

素因数の和:35364

約数の個数: 64

約数和(自身を含む): 299875322880

約数和(自身を除く): 98057311765

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 211, 287, 665, 779, 1055, 1435, 1477, 3895, 4009, 5453, 7385, 8651, 20045, 27265, 28063, 35081, 43255, 60557, 140315, 164369, 175405, 245567, 302785, 666539, 821845, 1150583, 1227835, 1438321, 3332695, 4665773, 5752915, 7191605, 7402091, 10068247, 23328865, 27328099, 37010455, 50341235, 51814637, 136640495, 140639729, 191296693, 259073185, 303485731, 703198645, 956483465, 984478103, 1517428655, 2124400117, 4922390515, 5766228889, 10622000585, 28831144445, 40363602223, 201818011115]

約数ペア:

[(1, 201818011115), (5, 40363602223), (7, 28831144445), (19, 10622000585), (35, 5766228889), (41, 4922390515), (95, 2124400117), (133, 1517428655), (205, 984478103), (211, 956483465), (287, 703198645), (665, 303485731), (779, 259073185), (1055, 191296693), (1435, 140639729), (1477, 136640495), (3895, 51814637), (4009, 50341235), (5453, 37010455), (7385, 27328099), (8651, 23328865), (20045, 10068247), (27265, 7402091), (28063, 7191605), (35081, 5752915), (43255, 4665773), (60557, 3332695), (140315, 1438321), (164369, 1227835), (175405, 1150583), (245567, 821845), (302785, 666539)]