19406868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4064

約数の個数: 48

約数和(自身を含む): 50351616

約数和(自身を除く): 30944748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4013, 4836, 8026, 12039, 16052, 24078, 48156, 52169, 104338, 124403, 156507, 208676, 248806, 313014, 373209, 497612, 626028, 746418, 1492836, 1617239, 3234478, 4851717, 6468956, 9703434, 19406868]

約数ペア:

[(1, 19406868), (2, 9703434), (3, 6468956), (4, 4851717), (6, 3234478), (12, 1617239), (13, 1492836), (26, 746418), (31, 626028), (39, 497612), (52, 373209), (62, 313014), (78, 248806), (93, 208676), (124, 156507), (156, 124403), (186, 104338), (372, 52169), (403, 48156), (806, 24078), (1209, 16052), (1612, 12039), (2418, 8026), (4013, 4836)]