18162100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 46177600

約数和(自身を除く): 28015500

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 79, 95, 100, 110, 121, 158, 190, 209, 220, 242, 275, 316, 380, 395, 418, 475, 484, 550, 605, 790, 836, 869, 950, 1045, 1100, 1210, 1501, 1580, 1738, 1900, 1975, 2090, 2299, 2420, 3002, 3025, 3476, 3950, 4180, 4345, 4598, 5225, 6004, 6050, 7505, 7900, 8690, 9196, 9559, 10450, 11495, 12100, 15010, 16511, 17380, 19118, 20900, 21725, 22990, 30020, 33022, 37525, 38236, 43450, 45980, 47795, 57475, 66044, 75050, 82555, 86900, 95590, 114950, 150100, 165110, 181621, 191180, 229900, 238975, 330220, 363242, 412775, 477950, 726484, 825550, 908105, 955900, 1651100, 1816210, 3632420, 4540525, 9081050, 18162100]

約数ペア:

[(1, 18162100), (2, 9081050), (4, 4540525), (5, 3632420), (10, 1816210), (11, 1651100), (19, 955900), (20, 908105), (22, 825550), (25, 726484), (38, 477950), (44, 412775), (50, 363242), (55, 330220), (76, 238975), (79, 229900), (95, 191180), (100, 181621), (110, 165110), (121, 150100), (158, 114950), (190, 95590), (209, 86900), (220, 82555), (242, 75050), (275, 66044), (316, 57475), (380, 47795), (395, 45980), (418, 43450), (475, 38236), (484, 37525), (550, 33022), (605, 30020), (790, 22990), (836, 21725), (869, 20900), (950, 19118), (1045, 17380), (1100, 16511), (1210, 15010), (1501, 12100), (1580, 11495), (1738, 10450), (1900, 9559), (1975, 9196), (2090, 8690), (2299, 7900), (2420, 7505), (3002, 6050), (3025, 6004), (3476, 5225), (3950, 4598), (4180, 4345)]