19380075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 38122560

約数和(自身を除く): 18742485

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 139, 143, 165, 169, 195, 275, 325, 417, 429, 507, 695, 715, 825, 845, 975, 1529, 1807, 1859, 2085, 2145, 2535, 3475, 3575, 4225, 4587, 5421, 5577, 7645, 9035, 9295, 10425, 10725, 12675, 19877, 22935, 23491, 27105, 27885, 38225, 45175, 46475, 59631, 70473, 99385, 114675, 117455, 135525, 139425, 258401, 298155, 352365, 496925, 587275, 775203, 1292005, 1490775, 1761825, 3876015, 6460025, 19380075]

約数ペア:

[(1, 19380075), (3, 6460025), (5, 3876015), (11, 1761825), (13, 1490775), (15, 1292005), (25, 775203), (33, 587275), (39, 496925), (55, 352365), (65, 298155), (75, 258401), (139, 139425), (143, 135525), (165, 117455), (169, 114675), (195, 99385), (275, 70473), (325, 59631), (417, 46475), (429, 45175), (507, 38225), (695, 27885), (715, 27105), (825, 23491), (845, 22935), (975, 19877), (1529, 12675), (1807, 10725), (1859, 10425), (2085, 9295), (2145, 9035), (2535, 7645), (3475, 5577), (3575, 5421), (4225, 4587)]