19306950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9929

約数の個数: 48

約数和(自身を含む): 51569616

約数和(自身を除く): 32262666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9901, 19802, 29703, 49505, 59406, 99010, 128713, 148515, 247525, 257426, 297030, 386139, 495050, 643565, 742575, 772278, 1287130, 1485150, 1930695, 3217825, 3861390, 6435650, 9653475, 19306950]

約数ペア:

[(1, 19306950), (2, 9653475), (3, 6435650), (5, 3861390), (6, 3217825), (10, 1930695), (13, 1485150), (15, 1287130), (25, 772278), (26, 742575), (30, 643565), (39, 495050), (50, 386139), (65, 297030), (75, 257426), (78, 247525), (130, 148515), (150, 128713), (195, 99010), (325, 59406), (390, 49505), (650, 29703), (975, 19802), (1950, 9901)]