1819733408

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{21647}}^1$

素因数の和:21765

約数の個数: 48

約数和(自身を含む): 3731422464

約数和(自身を除く): 1911689056

約数列:

[1, 2, 4, 8, 16, 32, 37, 71, 74, 142, 148, 284, 296, 568, 592, 1136, 1184, 2272, 2627, 5254, 10508, 21016, 21647, 42032, 43294, 84064, 86588, 173176, 346352, 692704, 800939, 1536937, 1601878, 3073874, 3203756, 6147748, 6407512, 12295496, 12815024, 24590992, 25630048, 49181984, 56866669, 113733338, 227466676, 454933352, 909866704, 1819733408]

約数ペア:

[(1, 1819733408), (2, 909866704), (4, 454933352), (8, 227466676), (16, 113733338), (32, 56866669), (37, 49181984), (71, 25630048), (74, 24590992), (142, 12815024), (148, 12295496), (284, 6407512), (296, 6147748), (568, 3203756), (592, 3073874), (1136, 1601878), (1184, 1536937), (2272, 800939), (2627, 692704), (5254, 346352), (10508, 173176), (21016, 86588), (21647, 84064), (42032, 43294)]