18352880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2554

約数の個数: 80

約数和(自身を含む): 52538304

約数和(自身を除く): 34185424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2521, 3640, 5042, 7280, 10084, 12605, 17647, 20168, 25210, 32773, 35294, 40336, 50420, 65546, 70588, 88235, 100840, 131092, 141176, 163865, 176470, 201680, 229411, 262184, 282352, 327730, 352940, 458822, 524368, 655460, 705880, 917644, 1147055, 1310920, 1411760, 1835288, 2294110, 2621840, 3670576, 4588220, 9176440, 18352880]

約数ペア:

[(1, 18352880), (2, 9176440), (4, 4588220), (5, 3670576), (7, 2621840), (8, 2294110), (10, 1835288), (13, 1411760), (14, 1310920), (16, 1147055), (20, 917644), (26, 705880), (28, 655460), (35, 524368), (40, 458822), (52, 352940), (56, 327730), (65, 282352), (70, 262184), (80, 229411), (91, 201680), (104, 176470), (112, 163865), (130, 141176), (140, 131092), (182, 100840), (208, 88235), (260, 70588), (280, 65546), (364, 50420), (455, 40336), (520, 35294), (560, 32773), (728, 25210), (910, 20168), (1040, 17647), (1456, 12605), (1820, 10084), (2521, 7280), (3640, 5042)]