18912670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 43047936

約数和(自身を除く): 24135266

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 691, 782, 805, 1190, 1382, 1610, 1955, 2737, 3455, 3910, 4837, 5474, 6910, 9674, 11747, 13685, 15893, 23494, 24185, 27370, 31786, 48370, 58735, 79465, 82229, 111251, 117470, 158930, 164458, 222502, 270181, 411145, 540362, 556255, 822290, 1112510, 1350905, 1891267, 2701810, 3782534, 9456335, 18912670]

約数ペア:

[(1, 18912670), (2, 9456335), (5, 3782534), (7, 2701810), (10, 1891267), (14, 1350905), (17, 1112510), (23, 822290), (34, 556255), (35, 540362), (46, 411145), (70, 270181), (85, 222502), (115, 164458), (119, 158930), (161, 117470), (170, 111251), (230, 82229), (238, 79465), (322, 58735), (391, 48370), (595, 31786), (691, 27370), (782, 24185), (805, 23494), (1190, 15893), (1382, 13685), (1610, 11747), (1955, 9674), (2737, 6910), (3455, 5474), (3910, 4837)]