17419970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 34042680

約数和(自身を除く): 16622710

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 89, 115, 178, 185, 230, 370, 445, 529, 851, 890, 1058, 1702, 2047, 2645, 3293, 4094, 4255, 5290, 6586, 8510, 10235, 16465, 19573, 20470, 32930, 39146, 47081, 75739, 94162, 97865, 151478, 195730, 235405, 378695, 470810, 757390, 1741997, 3483994, 8709985, 17419970]

約数ペア:

[(1, 17419970), (2, 8709985), (5, 3483994), (10, 1741997), (23, 757390), (37, 470810), (46, 378695), (74, 235405), (89, 195730), (115, 151478), (178, 97865), (185, 94162), (230, 75739), (370, 47081), (445, 39146), (529, 32930), (851, 20470), (890, 19573), (1058, 16465), (1702, 10235), (2047, 8510), (2645, 6586), (3293, 5290), (4094, 4255)]