19813950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1163

約数の個数: 96

約数和(自身を含む): 58850400

約数和(自身を除く): 39036450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 130, 135, 150, 195, 225, 234, 270, 325, 351, 390, 450, 585, 650, 675, 702, 975, 1129, 1170, 1350, 1755, 1950, 2258, 2925, 3387, 3510, 5645, 5850, 6774, 8775, 10161, 11290, 14677, 16935, 17550, 20322, 28225, 29354, 30483, 33870, 44031, 50805, 56450, 60966, 73385, 84675, 88062, 101610, 132093, 146770, 152415, 169350, 220155, 254025, 264186, 304830, 366925, 396279, 440310, 508050, 660465, 733850, 762075, 792558, 1100775, 1320930, 1524150, 1981395, 2201550, 3302325, 3962790, 6604650, 9906975, 19813950]

約数ペア:

[(1, 19813950), (2, 9906975), (3, 6604650), (5, 3962790), (6, 3302325), (9, 2201550), (10, 1981395), (13, 1524150), (15, 1320930), (18, 1100775), (25, 792558), (26, 762075), (27, 733850), (30, 660465), (39, 508050), (45, 440310), (50, 396279), (54, 366925), (65, 304830), (75, 264186), (78, 254025), (90, 220155), (117, 169350), (130, 152415), (135, 146770), (150, 132093), (195, 101610), (225, 88062), (234, 84675), (270, 73385), (325, 60966), (351, 56450), (390, 50805), (450, 44031), (585, 33870), (650, 30483), (675, 29354), (702, 28225), (975, 20322), (1129, 17550), (1170, 16935), (1350, 14677), (1755, 11290), (1950, 10161), (2258, 8775), (2925, 6774), (3387, 5850), (3510, 5645)]