19833645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 37545984

約数和(自身を除く): 17712339

約数列:

[1, 3, 5, 13, 15, 17, 31, 39, 51, 65, 85, 93, 155, 193, 195, 221, 255, 403, 465, 527, 579, 663, 965, 1105, 1209, 1581, 2015, 2509, 2635, 2895, 3281, 3315, 5983, 6045, 6851, 7527, 7905, 9843, 12545, 16405, 17949, 20553, 29915, 34255, 37635, 42653, 49215, 77779, 89745, 101711, 102765, 127959, 213265, 233337, 305133, 388895, 508555, 639795, 1166685, 1322243, 1525665, 3966729, 6611215, 19833645]

約数ペア:

[(1, 19833645), (3, 6611215), (5, 3966729), (13, 1525665), (15, 1322243), (17, 1166685), (31, 639795), (39, 508555), (51, 388895), (65, 305133), (85, 233337), (93, 213265), (155, 127959), (193, 102765), (195, 101711), (221, 89745), (255, 77779), (403, 49215), (465, 42653), (527, 37635), (579, 34255), (663, 29915), (965, 20553), (1105, 17949), (1209, 16405), (1581, 12545), (2015, 9843), (2509, 7905), (2635, 7527), (2895, 6851), (3281, 6045), (3315, 5983)]