18739922955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{13723}}^1$

素因数の和:13940

約数の個数: 64

約数和(自身を含む): 33201100800

約数和(自身を除く): 14461177845

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 149, 195, 235, 447, 611, 705, 745, 1833, 1937, 2235, 3055, 5811, 7003, 9165, 9685, 13723, 21009, 29055, 35015, 41169, 68615, 91039, 105045, 178399, 205845, 273117, 455195, 535197, 644981, 891995, 1365585, 1934943, 2044727, 2675985, 3224905, 6134181, 8384753, 9674715, 10223635, 25154259, 26581451, 30670905, 41923765, 79744353, 96102169, 125771295, 132907255, 288306507, 398721765, 480510845, 1249328197, 1441532535, 3747984591, 6246640985, 18739922955]

約数ペア:

[(1, 18739922955), (3, 6246640985), (5, 3747984591), (13, 1441532535), (15, 1249328197), (39, 480510845), (47, 398721765), (65, 288306507), (141, 132907255), (149, 125771295), (195, 96102169), (235, 79744353), (447, 41923765), (611, 30670905), (705, 26581451), (745, 25154259), (1833, 10223635), (1937, 9674715), (2235, 8384753), (3055, 6134181), (5811, 3224905), (7003, 2675985), (9165, 2044727), (9685, 1934943), (13723, 1365585), (21009, 891995), (29055, 644981), (35015, 535197), (41169, 455195), (68615, 273117), (91039, 205845), (105045, 178399)]