19118000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 120

約数和(自身を含む): 51455040

約数和(自身を除く): 32337040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 79, 80, 88, 100, 110, 121, 125, 158, 176, 200, 220, 242, 250, 275, 316, 395, 400, 440, 484, 500, 550, 605, 632, 790, 869, 880, 968, 1000, 1100, 1210, 1264, 1375, 1580, 1738, 1936, 1975, 2000, 2200, 2420, 2750, 3025, 3160, 3476, 3950, 4345, 4400, 4840, 5500, 6050, 6320, 6952, 7900, 8690, 9559, 9680, 9875, 11000, 12100, 13904, 15125, 15800, 17380, 19118, 19750, 21725, 22000, 24200, 30250, 31600, 34760, 38236, 39500, 43450, 47795, 48400, 60500, 69520, 76472, 79000, 86900, 95590, 108625, 121000, 152944, 158000, 173800, 191180, 217250, 238975, 242000, 347600, 382360, 434500, 477950, 764720, 869000, 955900, 1194875, 1738000, 1911800, 2389750, 3823600, 4779500, 9559000, 19118000]

約数ペア:

[(1, 19118000), (2, 9559000), (4, 4779500), (5, 3823600), (8, 2389750), (10, 1911800), (11, 1738000), (16, 1194875), (20, 955900), (22, 869000), (25, 764720), (40, 477950), (44, 434500), (50, 382360), (55, 347600), (79, 242000), (80, 238975), (88, 217250), (100, 191180), (110, 173800), (121, 158000), (125, 152944), (158, 121000), (176, 108625), (200, 95590), (220, 86900), (242, 79000), (250, 76472), (275, 69520), (316, 60500), (395, 48400), (400, 47795), (440, 43450), (484, 39500), (500, 38236), (550, 34760), (605, 31600), (632, 30250), (790, 24200), (869, 22000), (880, 21725), (968, 19750), (1000, 19118), (1100, 17380), (1210, 15800), (1264, 15125), (1375, 13904), (1580, 12100), (1738, 11000), (1936, 9875), (1975, 9680), (2000, 9559), (2200, 8690), (2420, 7900), (2750, 6952), (3025, 6320), (3160, 6050), (3476, 5500), (3950, 4840), (4345, 4400)]