18518727792

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{21649}}^1$

素因数の和:21982

約数の個数: 80

約数和(自身を含む): 48709382400

約数和(自身を除く): 30190654608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 251, 284, 426, 502, 568, 753, 852, 1004, 1136, 1506, 1704, 2008, 3012, 3408, 4016, 6024, 12048, 17821, 21649, 35642, 43298, 53463, 64947, 71284, 86596, 106926, 129894, 142568, 173192, 213852, 259788, 285136, 346384, 427704, 519576, 855408, 1039152, 1537079, 3074158, 4611237, 5433899, 6148316, 9222474, 10867798, 12296632, 16301697, 18444948, 21735596, 24593264, 32603394, 36889896, 43471192, 65206788, 73779792, 86942384, 130413576, 260827152, 385806829, 771613658, 1157420487, 1543227316, 2314840974, 3086454632, 4629681948, 6172909264, 9259363896, 18518727792]

約数ペア:

[(1, 18518727792), (2, 9259363896), (3, 6172909264), (4, 4629681948), (6, 3086454632), (8, 2314840974), (12, 1543227316), (16, 1157420487), (24, 771613658), (48, 385806829), (71, 260827152), (142, 130413576), (213, 86942384), (251, 73779792), (284, 65206788), (426, 43471192), (502, 36889896), (568, 32603394), (753, 24593264), (852, 21735596), (1004, 18444948), (1136, 16301697), (1506, 12296632), (1704, 10867798), (2008, 9222474), (3012, 6148316), (3408, 5433899), (4016, 4611237), (6024, 3074158), (12048, 1537079), (17821, 1039152), (21649, 855408), (35642, 519576), (43298, 427704), (53463, 346384), (64947, 285136), (71284, 259788), (86596, 213852), (106926, 173192), (129894, 142568)]