19545444

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 52972920

約数和(自身を除く): 33427476

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 293, 306, 327, 436, 586, 612, 654, 879, 981, 1172, 1308, 1758, 1853, 1962, 2637, 3516, 3706, 3924, 4981, 5274, 5559, 7412, 9962, 10548, 11118, 14943, 16677, 19924, 22236, 29886, 31937, 33354, 44829, 59772, 63874, 66708, 89658, 95811, 127748, 179316, 191622, 287433, 383244, 542929, 574866, 1085858, 1149732, 1628787, 2171716, 3257574, 4886361, 6515148, 9772722, 19545444]

約数ペア:

[(1, 19545444), (2, 9772722), (3, 6515148), (4, 4886361), (6, 3257574), (9, 2171716), (12, 1628787), (17, 1149732), (18, 1085858), (34, 574866), (36, 542929), (51, 383244), (68, 287433), (102, 191622), (109, 179316), (153, 127748), (204, 95811), (218, 89658), (293, 66708), (306, 63874), (327, 59772), (436, 44829), (586, 33354), (612, 31937), (654, 29886), (879, 22236), (981, 19924), (1172, 16677), (1308, 14943), (1758, 11118), (1853, 10548), (1962, 9962), (2637, 7412), (3516, 5559), (3706, 5274), (3924, 4981)]