19421844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5413}}^1$

素因数の和:5456

約数の個数: 48

約数和(自身を含む): 50934912

約数和(自身を除く): 31513068

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5413, 10826, 16239, 21652, 32478, 64956, 70369, 124499, 140738, 211107, 248998, 281476, 373497, 422214, 497996, 746994, 844428, 1493988, 1618487, 3236974, 4855461, 6473948, 9710922, 19421844]

約数ペア:

[(1, 19421844), (2, 9710922), (3, 6473948), (4, 4855461), (6, 3236974), (12, 1618487), (13, 1493988), (23, 844428), (26, 746994), (39, 497996), (46, 422214), (52, 373497), (69, 281476), (78, 248998), (92, 211107), (138, 140738), (156, 124499), (276, 70369), (299, 64956), (598, 32478), (897, 21652), (1196, 16239), (1794, 10826), (3588, 5413)]