19953882

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 46879560

約数和(自身を除く): 26925678

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 269, 317, 538, 634, 807, 951, 1614, 1902, 2421, 2853, 3497, 4121, 4842, 5706, 6994, 8242, 10491, 12363, 20982, 24726, 31473, 37089, 62946, 74178, 85273, 170546, 255819, 511638, 767457, 1108549, 1534914, 2217098, 3325647, 6651294, 9976941, 19953882]

約数ペア:

[(1, 19953882), (2, 9976941), (3, 6651294), (6, 3325647), (9, 2217098), (13, 1534914), (18, 1108549), (26, 767457), (39, 511638), (78, 255819), (117, 170546), (234, 85273), (269, 74178), (317, 62946), (538, 37089), (634, 31473), (807, 24726), (951, 20982), (1614, 12363), (1902, 10491), (2421, 8242), (2853, 6994), (3497, 5706), (4121, 4842)]