18494912

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 56

約数和(自身を含む): 39502080

約数和(自身を除く): 21007168

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 136, 178, 191, 272, 356, 382, 544, 712, 764, 1088, 1424, 1513, 1528, 2848, 3026, 3056, 3247, 5696, 6052, 6112, 6494, 12104, 12224, 12988, 16999, 24208, 25976, 33998, 48416, 51952, 67996, 96832, 103904, 135992, 207808, 271984, 288983, 543968, 577966, 1087936, 1155932, 2311864, 4623728, 9247456, 18494912]

約数ペア:

[(1, 18494912), (2, 9247456), (4, 4623728), (8, 2311864), (16, 1155932), (17, 1087936), (32, 577966), (34, 543968), (64, 288983), (68, 271984), (89, 207808), (136, 135992), (178, 103904), (191, 96832), (272, 67996), (356, 51952), (382, 48416), (544, 33998), (712, 25976), (764, 24208), (1088, 16999), (1424, 12988), (1513, 12224), (1528, 12104), (2848, 6494), (3026, 6112), (3056, 6052), (3247, 5696)]