18669300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4787}}^1$

素因数の和:4817

約数の個数: 72

約数和(自身を含む): 58183776

約数和(自身を除く): 39514476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4787, 9574, 14361, 19148, 23935, 28722, 47870, 57444, 62231, 71805, 95740, 119675, 124462, 143610, 186693, 239350, 248924, 287220, 311155, 359025, 373386, 478700, 622310, 718050, 746772, 933465, 1244620, 1436100, 1555775, 1866930, 3111550, 3733860, 4667325, 6223100, 9334650, 18669300]

約数ペア:

[(1, 18669300), (2, 9334650), (3, 6223100), (4, 4667325), (5, 3733860), (6, 3111550), (10, 1866930), (12, 1555775), (13, 1436100), (15, 1244620), (20, 933465), (25, 746772), (26, 718050), (30, 622310), (39, 478700), (50, 373386), (52, 359025), (60, 311155), (65, 287220), (75, 248924), (78, 239350), (100, 186693), (130, 143610), (150, 124462), (156, 119675), (195, 95740), (260, 71805), (300, 62231), (325, 57444), (390, 47870), (650, 28722), (780, 23935), (975, 19148), (1300, 14361), (1950, 9574), (3900, 4787)]