18971736160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{536531}}^1$

素因数の和:536576

約数の個数: 96

約数和(自身を含む): 51107892192

約数和(自身を除く): 32136156032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4420, 7072, 8840, 17680, 35360, 536531, 1073062, 2146124, 2682655, 4292248, 5365310, 6974903, 8584496, 9121027, 10730620, 13949806, 17168992, 18242054, 21461240, 27899612, 34874515, 36484108, 42922480, 45605135, 55799224, 69749030, 72968216, 85844960, 91210270, 111598448, 118573351, 139498060, 145936432, 182420540, 223196896, 237146702, 278996120, 291872864, 364841080, 474293404, 557992240, 592866755, 729682160, 948586808, 1115984480, 1185733510, 1459364320, 1897173616, 2371467020, 3794347232, 4742934040, 9485868080, 18971736160]

約数ペア:

[(1, 18971736160), (2, 9485868080), (4, 4742934040), (5, 3794347232), (8, 2371467020), (10, 1897173616), (13, 1459364320), (16, 1185733510), (17, 1115984480), (20, 948586808), (26, 729682160), (32, 592866755), (34, 557992240), (40, 474293404), (52, 364841080), (65, 291872864), (68, 278996120), (80, 237146702), (85, 223196896), (104, 182420540), (130, 145936432), (136, 139498060), (160, 118573351), (170, 111598448), (208, 91210270), (221, 85844960), (260, 72968216), (272, 69749030), (340, 55799224), (416, 45605135), (442, 42922480), (520, 36484108), (544, 34874515), (680, 27899612), (884, 21461240), (1040, 18242054), (1105, 17168992), (1360, 13949806), (1768, 10730620), (2080, 9121027), (2210, 8584496), (2720, 6974903), (3536, 5365310), (4420, 4292248), (7072, 2682655), (8840, 2146124), (17680, 1073062), (35360, 536531)]