19326790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 23441210

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 109, 119, 149, 170, 218, 238, 298, 545, 595, 745, 763, 1043, 1090, 1190, 1490, 1526, 1853, 2086, 2533, 3706, 3815, 5066, 5215, 7630, 9265, 10430, 12665, 12971, 16241, 17731, 18530, 25330, 25942, 32482, 35462, 64855, 81205, 88655, 113687, 129710, 162410, 177310, 227374, 276097, 552194, 568435, 1136870, 1380485, 1932679, 2760970, 3865358, 9663395, 19326790]

約数ペア:

[(1, 19326790), (2, 9663395), (5, 3865358), (7, 2760970), (10, 1932679), (14, 1380485), (17, 1136870), (34, 568435), (35, 552194), (70, 276097), (85, 227374), (109, 177310), (119, 162410), (149, 129710), (170, 113687), (218, 88655), (238, 81205), (298, 64855), (545, 35462), (595, 32482), (745, 25942), (763, 25330), (1043, 18530), (1090, 17731), (1190, 16241), (1490, 12971), (1526, 12665), (1853, 10430), (2086, 9265), (2533, 7630), (3706, 5215), (3815, 5066)]