19747638

素因数分解:

$2^1\times 3^5\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25068042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 179, 227, 243, 358, 454, 486, 537, 681, 1074, 1362, 1611, 2043, 3222, 4086, 4833, 6129, 9666, 12258, 14499, 18387, 28998, 36774, 40633, 43497, 55161, 81266, 86994, 110322, 121899, 243798, 365697, 731394, 1097091, 2194182, 3291273, 6582546, 9873819, 19747638]

約数ペア:

[(1, 19747638), (2, 9873819), (3, 6582546), (6, 3291273), (9, 2194182), (18, 1097091), (27, 731394), (54, 365697), (81, 243798), (162, 121899), (179, 110322), (227, 86994), (243, 81266), (358, 55161), (454, 43497), (486, 40633), (537, 36774), (681, 28998), (1074, 18387), (1362, 14499), (1611, 12258), (2043, 9666), (3222, 6129), (4086, 4833)]