19002640

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1327}}^1$

素因数の和:1519

約数の個数: 40

約数和(自身を含む): 44461440

約数和(自身を除く): 25458800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1327, 1432, 1790, 2654, 2864, 3580, 5308, 6635, 7160, 10616, 13270, 14320, 21232, 26540, 53080, 106160, 237533, 475066, 950132, 1187665, 1900264, 2375330, 3800528, 4750660, 9501320, 19002640]

約数ペア:

[(1, 19002640), (2, 9501320), (4, 4750660), (5, 3800528), (8, 2375330), (10, 1900264), (16, 1187665), (20, 950132), (40, 475066), (80, 237533), (179, 106160), (358, 53080), (716, 26540), (895, 21232), (1327, 14320), (1432, 13270), (1790, 10616), (2654, 7160), (2864, 6635), (3580, 5308)]