19415952

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1360

約数の個数: 60

約数和(自身を含む): 54880540

約数和(自身を除く): 35464588

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1237, 1308, 1744, 1962, 2474, 2616, 3711, 3924, 4948, 5232, 7422, 7848, 9896, 11133, 14844, 15696, 19792, 22266, 29688, 44532, 59376, 89064, 134833, 178128, 269666, 404499, 539332, 808998, 1078664, 1213497, 1617996, 2157328, 2426994, 3235992, 4853988, 6471984, 9707976, 19415952]

約数ペア:

[(1, 19415952), (2, 9707976), (3, 6471984), (4, 4853988), (6, 3235992), (8, 2426994), (9, 2157328), (12, 1617996), (16, 1213497), (18, 1078664), (24, 808998), (36, 539332), (48, 404499), (72, 269666), (109, 178128), (144, 134833), (218, 89064), (327, 59376), (436, 44532), (654, 29688), (872, 22266), (981, 19792), (1237, 15696), (1308, 14844), (1744, 11133), (1962, 9896), (2474, 7848), (2616, 7422), (3711, 5232), (3924, 4948)]