19333275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 15664485

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 79, 195, 237, 251, 325, 395, 753, 975, 1027, 1185, 1255, 1975, 3081, 3263, 3765, 5135, 5925, 6275, 9789, 15405, 16315, 18825, 19829, 25675, 48945, 59487, 77025, 81575, 99145, 244725, 257777, 297435, 495725, 773331, 1288885, 1487175, 3866655, 6444425, 19333275]

約数ペア:

[(1, 19333275), (3, 6444425), (5, 3866655), (13, 1487175), (15, 1288885), (25, 773331), (39, 495725), (65, 297435), (75, 257777), (79, 244725), (195, 99145), (237, 81575), (251, 77025), (325, 59487), (395, 48945), (753, 25675), (975, 19829), (1027, 18825), (1185, 16315), (1255, 15405), (1975, 9789), (3081, 6275), (3263, 5925), (3765, 5135)]