19580320

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2309}}^1$

素因数の和:2377

約数の個数: 48

約数和(自身を含む): 47151720

約数和(自身を除く): 27571400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2309, 4240, 4618, 8480, 9236, 11545, 18472, 23090, 36944, 46180, 73888, 92360, 122377, 184720, 244754, 369440, 489508, 611885, 979016, 1223770, 1958032, 2447540, 3916064, 4895080, 9790160, 19580320]

約数ペア:

[(1, 19580320), (2, 9790160), (4, 4895080), (5, 3916064), (8, 2447540), (10, 1958032), (16, 1223770), (20, 979016), (32, 611885), (40, 489508), (53, 369440), (80, 244754), (106, 184720), (160, 122377), (212, 92360), (265, 73888), (424, 46180), (530, 36944), (848, 23090), (1060, 18472), (1696, 11545), (2120, 9236), (2309, 8480), (4240, 4618)]