19996398

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 46425600

約数和(自身を除く): 26429202

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 114, 118, 171, 177, 342, 354, 531, 991, 1062, 1121, 1982, 2242, 2973, 3363, 5946, 6726, 8919, 10089, 17838, 18829, 20178, 37658, 56487, 58469, 112974, 116938, 169461, 175407, 338922, 350814, 526221, 1052442, 1110911, 2221822, 3332733, 6665466, 9998199, 19996398]

約数ペア:

[(1, 19996398), (2, 9998199), (3, 6665466), (6, 3332733), (9, 2221822), (18, 1110911), (19, 1052442), (38, 526221), (57, 350814), (59, 338922), (114, 175407), (118, 169461), (171, 116938), (177, 112974), (342, 58469), (354, 56487), (531, 37658), (991, 20178), (1062, 18829), (1121, 17838), (1982, 10089), (2242, 8919), (2973, 6726), (3363, 5946)]