19436320

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 46182528

約数和(自身を除く): 26746208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 367, 662, 734, 1324, 1468, 1655, 1835, 2648, 2936, 3310, 3670, 5296, 5872, 6620, 7340, 10592, 11744, 13240, 14680, 26480, 29360, 52960, 58720, 121477, 242954, 485908, 607385, 971816, 1214770, 1943632, 2429540, 3887264, 4859080, 9718160, 19436320]

約数ペア:

[(1, 19436320), (2, 9718160), (4, 4859080), (5, 3887264), (8, 2429540), (10, 1943632), (16, 1214770), (20, 971816), (32, 607385), (40, 485908), (80, 242954), (160, 121477), (331, 58720), (367, 52960), (662, 29360), (734, 26480), (1324, 14680), (1468, 13240), (1655, 11744), (1835, 10592), (2648, 7340), (2936, 6620), (3310, 5872), (3670, 5296)]