18943239920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{142559}}^1$

素因数の和:142734

約数の個数: 80

約数和(自身を含む): 48365475840

約数和(自身を除く): 29422235920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 151, 176, 220, 302, 440, 604, 755, 880, 1208, 1510, 1661, 2416, 3020, 3322, 6040, 6644, 8305, 12080, 13288, 16610, 26576, 33220, 66440, 132880, 142559, 285118, 570236, 712795, 1140472, 1425590, 1568149, 2280944, 2851180, 3136298, 5702360, 6272596, 7840745, 11404720, 12545192, 15681490, 21526409, 25090384, 31362980, 43052818, 62725960, 86105636, 107632045, 125451920, 172211272, 215264090, 236790499, 344422544, 430528180, 473580998, 861056360, 947161996, 1183952495, 1722112720, 1894323992, 2367904990, 3788647984, 4735809980, 9471619960, 18943239920]

約数ペア:

[(1, 18943239920), (2, 9471619960), (4, 4735809980), (5, 3788647984), (8, 2367904990), (10, 1894323992), (11, 1722112720), (16, 1183952495), (20, 947161996), (22, 861056360), (40, 473580998), (44, 430528180), (55, 344422544), (80, 236790499), (88, 215264090), (110, 172211272), (151, 125451920), (176, 107632045), (220, 86105636), (302, 62725960), (440, 43052818), (604, 31362980), (755, 25090384), (880, 21526409), (1208, 15681490), (1510, 12545192), (1661, 11404720), (2416, 7840745), (3020, 6272596), (3322, 5702360), (6040, 3136298), (6644, 2851180), (8305, 2280944), (12080, 1568149), (13288, 1425590), (16610, 1140472), (26576, 712795), (33220, 570236), (66440, 285118), (132880, 142559)]