18732816

素因数分解:

$2^4\times 3^3\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 80

約数和(自身を含む): 54421120

約数和(自身を除く): 35688304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 103, 108, 144, 206, 216, 309, 412, 421, 432, 618, 824, 842, 927, 1236, 1263, 1648, 1684, 1854, 2472, 2526, 2781, 3368, 3708, 3789, 4944, 5052, 5562, 6736, 7416, 7578, 10104, 11124, 11367, 14832, 15156, 20208, 22248, 22734, 30312, 43363, 44496, 45468, 60624, 86726, 90936, 130089, 173452, 181872, 260178, 346904, 390267, 520356, 693808, 780534, 1040712, 1170801, 1561068, 2081424, 2341602, 3122136, 4683204, 6244272, 9366408, 18732816]

約数ペア:

[(1, 18732816), (2, 9366408), (3, 6244272), (4, 4683204), (6, 3122136), (8, 2341602), (9, 2081424), (12, 1561068), (16, 1170801), (18, 1040712), (24, 780534), (27, 693808), (36, 520356), (48, 390267), (54, 346904), (72, 260178), (103, 181872), (108, 173452), (144, 130089), (206, 90936), (216, 86726), (309, 60624), (412, 45468), (421, 44496), (432, 43363), (618, 30312), (824, 22734), (842, 22248), (927, 20208), (1236, 15156), (1263, 14832), (1648, 11367), (1684, 11124), (1854, 10104), (2472, 7578), (2526, 7416), (2781, 6736), (3368, 5562), (3708, 5052), (3789, 4944)]