19266825

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 33587136

約数和(自身を除く): 14320311

約数列:

[1, 3, 5, 15, 25, 37, 53, 75, 111, 131, 159, 185, 265, 393, 555, 655, 795, 925, 1325, 1961, 1965, 2775, 3275, 3975, 4847, 5883, 6943, 9805, 9825, 14541, 20829, 24235, 29415, 34715, 49025, 72705, 104145, 121175, 147075, 173575, 256891, 363525, 520725, 770673, 1284455, 3853365, 6422275, 19266825]

約数ペア:

[(1, 19266825), (3, 6422275), (5, 3853365), (15, 1284455), (25, 770673), (37, 520725), (53, 363525), (75, 256891), (111, 173575), (131, 147075), (159, 121175), (185, 104145), (265, 72705), (393, 49025), (555, 34715), (655, 29415), (795, 24235), (925, 20829), (1325, 14541), (1961, 9825), (1965, 9805), (2775, 6943), (3275, 5883), (3975, 4847)]