19950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1$

素因数の和:41

約数の個数: 48

約数和(自身を含む): 59520

約数和(自身を除く): 39570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 1050, 1330, 1425, 1995, 2850, 3325, 3990, 6650, 9975, 19950]

約数ペア:

[(1, 19950), (2, 9975), (3, 6650), (5, 3990), (6, 3325), (7, 2850), (10, 1995), (14, 1425), (15, 1330), (19, 1050), (21, 950), (25, 798), (30, 665), (35, 570), (38, 525), (42, 475), (50, 399), (57, 350), (70, 285), (75, 266), (95, 210), (105, 190), (114, 175), (133, 150)]