19403802

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 27901638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 121, 151, 177, 198, 242, 302, 354, 363, 453, 531, 649, 726, 906, 1062, 1089, 1298, 1359, 1661, 1947, 2178, 2718, 3322, 3894, 4983, 5841, 7139, 8909, 9966, 11682, 14278, 14949, 17818, 18271, 21417, 26727, 29898, 36542, 42834, 53454, 54813, 64251, 80181, 97999, 109626, 128502, 160362, 164439, 195998, 293997, 328878, 587994, 881991, 1077989, 1763982, 2155978, 3233967, 6467934, 9701901, 19403802]

約数ペア:

[(1, 19403802), (2, 9701901), (3, 6467934), (6, 3233967), (9, 2155978), (11, 1763982), (18, 1077989), (22, 881991), (33, 587994), (59, 328878), (66, 293997), (99, 195998), (118, 164439), (121, 160362), (151, 128502), (177, 109626), (198, 97999), (242, 80181), (302, 64251), (354, 54813), (363, 53454), (453, 42834), (531, 36542), (649, 29898), (726, 26727), (906, 21417), (1062, 18271), (1089, 17818), (1298, 14949), (1359, 14278), (1661, 11682), (1947, 9966), (2178, 8909), (2718, 7139), (3322, 5841), (3894, 4983)]