18293890175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4605

約数の個数: 72

約数和(自身を含む): 26622046080

約数和(自身を除く): 8328155905

約数列:

[1, 5, 11, 19, 25, 55, 71, 95, 121, 209, 275, 355, 475, 605, 781, 1045, 1349, 1775, 2299, 3025, 3905, 4483, 5225, 6745, 8591, 11495, 14839, 19525, 22415, 33725, 42955, 49313, 57475, 74195, 85177, 112075, 163229, 214775, 246565, 318293, 370975, 425885, 542443, 816145, 936947, 1232825, 1591465, 2129425, 2712215, 3501223, 4080725, 4684735, 6047567, 7957325, 10306417, 13561075, 17506115, 23423675, 30237835, 38513453, 51532085, 66523237, 87530575, 151189175, 192567265, 257660425, 332616185, 731755607, 962836325, 1663080925, 3658778035, 18293890175]

約数ペア:

[(1, 18293890175), (5, 3658778035), (11, 1663080925), (19, 962836325), (25, 731755607), (55, 332616185), (71, 257660425), (95, 192567265), (121, 151189175), (209, 87530575), (275, 66523237), (355, 51532085), (475, 38513453), (605, 30237835), (781, 23423675), (1045, 17506115), (1349, 13561075), (1775, 10306417), (2299, 7957325), (3025, 6047567), (3905, 4684735), (4483, 4080725), (5225, 3501223), (6745, 2712215), (8591, 2129425), (11495, 1591465), (14839, 1232825), (19525, 936947), (22415, 816145), (33725, 542443), (42955, 425885), (49313, 370975), (57475, 318293), (74195, 246565), (85177, 214775), (112075, 163229)]