19415153025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{38747}}^1$

素因数の和:38911

約数の個数: 72

約数和(自身を含む): 37102294944

約数和(自身を除く): 17687141919

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 131, 153, 225, 255, 393, 425, 655, 765, 1179, 1275, 1965, 2227, 3275, 3825, 5895, 6681, 9825, 11135, 20043, 29475, 33405, 38747, 55675, 100215, 116241, 167025, 193735, 348723, 501075, 581205, 658699, 968675, 1743615, 1976097, 2906025, 3293495, 5075857, 5928291, 8718075, 9880485, 15227571, 16467475, 25379285, 29641455, 45682713, 49402425, 76137855, 86289569, 126896425, 148207275, 228413565, 258868707, 380689275, 431447845, 776606121, 1142067825, 1294343535, 2157239225, 3883030605, 6471717675, 19415153025]

約数ペア:

[(1, 19415153025), (3, 6471717675), (5, 3883030605), (9, 2157239225), (15, 1294343535), (17, 1142067825), (25, 776606121), (45, 431447845), (51, 380689275), (75, 258868707), (85, 228413565), (131, 148207275), (153, 126896425), (225, 86289569), (255, 76137855), (393, 49402425), (425, 45682713), (655, 29641455), (765, 25379285), (1179, 16467475), (1275, 15227571), (1965, 9880485), (2227, 8718075), (3275, 5928291), (3825, 5075857), (5895, 3293495), (6681, 2906025), (9825, 1976097), (11135, 1743615), (20043, 968675), (29475, 658699), (33405, 581205), (38747, 501075), (55675, 348723), (100215, 193735), (116241, 167025)]