19695150

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{1621}}^1$

素因数の和:1648

約数の個数: 72

約数和(自身を含む): 54907944

約数和(自身を除く): 35212794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 1621, 2025, 2430, 3242, 4050, 4863, 6075, 8105, 9726, 12150, 14589, 16210, 24315, 29178, 40525, 43767, 48630, 72945, 81050, 87534, 121575, 131301, 145890, 218835, 243150, 262602, 364725, 393903, 437670, 656505, 729450, 787806, 1094175, 1313010, 1969515, 2188350, 3282525, 3939030, 6565050, 9847575, 19695150]

約数ペア:

[(1, 19695150), (2, 9847575), (3, 6565050), (5, 3939030), (6, 3282525), (9, 2188350), (10, 1969515), (15, 1313010), (18, 1094175), (25, 787806), (27, 729450), (30, 656505), (45, 437670), (50, 393903), (54, 364725), (75, 262602), (81, 243150), (90, 218835), (135, 145890), (150, 131301), (162, 121575), (225, 87534), (243, 81050), (270, 72945), (405, 48630), (450, 43767), (486, 40525), (675, 29178), (810, 24315), (1215, 16210), (1350, 14589), (1621, 12150), (2025, 9726), (2430, 8105), (3242, 6075), (4050, 4863)]