18720528

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 52187136

約数和(自身を除く): 33466608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 368, 372, 496, 547, 552, 713, 744, 1094, 1104, 1426, 1488, 1641, 2139, 2188, 2852, 3282, 4278, 4376, 5704, 6564, 8556, 8752, 11408, 12581, 13128, 16957, 17112, 25162, 26256, 33914, 34224, 37743, 50324, 50871, 67828, 75486, 100648, 101742, 135656, 150972, 201296, 203484, 271312, 301944, 390011, 406968, 603888, 780022, 813936, 1170033, 1560044, 2340066, 3120088, 4680132, 6240176, 9360264, 18720528]

約数ペア:

[(1, 18720528), (2, 9360264), (3, 6240176), (4, 4680132), (6, 3120088), (8, 2340066), (12, 1560044), (16, 1170033), (23, 813936), (24, 780022), (31, 603888), (46, 406968), (48, 390011), (62, 301944), (69, 271312), (92, 203484), (93, 201296), (124, 150972), (138, 135656), (184, 101742), (186, 100648), (248, 75486), (276, 67828), (368, 50871), (372, 50324), (496, 37743), (547, 34224), (552, 33914), (713, 26256), (744, 25162), (1094, 17112), (1104, 16957), (1426, 13128), (1488, 12581), (1641, 11408), (2139, 8752), (2188, 8556), (2852, 6564), (3282, 5704), (4278, 4376)]