18829755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 39338208

約数和(自身を除く): 20508453

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 113, 115, 161, 207, 315, 339, 345, 483, 529, 565, 791, 805, 1017, 1035, 1449, 1587, 1695, 2373, 2415, 2599, 2645, 3703, 3955, 4761, 5085, 7119, 7245, 7797, 7935, 11109, 11865, 12995, 18193, 18515, 23391, 23805, 33327, 35595, 38985, 54579, 55545, 59777, 90965, 116955, 163737, 166635, 179331, 272895, 298885, 418439, 537993, 818685, 896655, 1255317, 2092195, 2689965, 3765951, 6276585, 18829755]

約数ペア:

[(1, 18829755), (3, 6276585), (5, 3765951), (7, 2689965), (9, 2092195), (15, 1255317), (21, 896655), (23, 818685), (35, 537993), (45, 418439), (63, 298885), (69, 272895), (105, 179331), (113, 166635), (115, 163737), (161, 116955), (207, 90965), (315, 59777), (339, 55545), (345, 54579), (483, 38985), (529, 35595), (565, 33327), (791, 23805), (805, 23391), (1017, 18515), (1035, 18193), (1449, 12995), (1587, 11865), (1695, 11109), (2373, 7935), (2415, 7797), (2599, 7245), (2645, 7119), (3703, 5085), (3955, 4761)]