18649113920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{81737}}^1$

素因数の和:81808

約数の個数: 112

約数和(自身を含む): 47834385408

約数和(自身を除く): 29185271488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 713, 736, 920, 992, 1240, 1426, 1472, 1840, 1984, 2480, 2852, 3565, 3680, 4960, 5704, 7130, 7360, 9920, 11408, 14260, 22816, 28520, 45632, 57040, 81737, 114080, 163474, 228160, 326948, 408685, 653896, 817370, 1307792, 1634740, 1879951, 2533847, 2615584, 3269480, 3759902, 5067694, 5231168, 6538960, 7519804, 9399755, 10135388, 12669235, 13077920, 15039608, 18799510, 20270776, 25338470, 26155840, 30079216, 37599020, 40541552, 50676940, 58278481, 60158432, 75198040, 81083104, 101353880, 116556962, 120316864, 150396080, 162166208, 202707760, 233113924, 291392405, 300792160, 405415520, 466227848, 582784810, 601584320, 810831040, 932455696, 1165569620, 1864911392, 2331139240, 3729822784, 4662278480, 9324556960, 18649113920]

約数ペア:

[(1, 18649113920), (2, 9324556960), (4, 4662278480), (5, 3729822784), (8, 2331139240), (10, 1864911392), (16, 1165569620), (20, 932455696), (23, 810831040), (31, 601584320), (32, 582784810), (40, 466227848), (46, 405415520), (62, 300792160), (64, 291392405), (80, 233113924), (92, 202707760), (115, 162166208), (124, 150396080), (155, 120316864), (160, 116556962), (184, 101353880), (230, 81083104), (248, 75198040), (310, 60158432), (320, 58278481), (368, 50676940), (460, 40541552), (496, 37599020), (620, 30079216), (713, 26155840), (736, 25338470), (920, 20270776), (992, 18799510), (1240, 15039608), (1426, 13077920), (1472, 12669235), (1840, 10135388), (1984, 9399755), (2480, 7519804), (2852, 6538960), (3565, 5231168), (3680, 5067694), (4960, 3759902), (5704, 3269480), (7130, 2615584), (7360, 2533847), (9920, 1879951), (11408, 1634740), (14260, 1307792), (22816, 817370), (28520, 653896), (45632, 408685), (57040, 326948), (81737, 228160), (114080, 163474)]