18404784

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5594

約数の個数: 60

約数和(自身を含む): 53756976

約数和(自身を除く): 35352192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 5557, 11114, 16671, 22228, 33342, 44456, 50013, 66684, 88912, 100026, 127811, 133368, 200052, 255622, 266736, 383433, 400104, 511244, 766866, 800208, 1022488, 1150299, 1533732, 2044976, 2300598, 3067464, 4601196, 6134928, 9202392, 18404784]

約数ペア:

[(1, 18404784), (2, 9202392), (3, 6134928), (4, 4601196), (6, 3067464), (8, 2300598), (9, 2044976), (12, 1533732), (16, 1150299), (18, 1022488), (23, 800208), (24, 766866), (36, 511244), (46, 400104), (48, 383433), (69, 266736), (72, 255622), (92, 200052), (138, 133368), (144, 127811), (184, 100026), (207, 88912), (276, 66684), (368, 50013), (414, 44456), (552, 33342), (828, 22228), (1104, 16671), (1656, 11114), (3312, 5557)]