19819890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{24469}}^1$

素因数の和:24488

約数の個数: 40

約数和(自身を含む): 53295660

約数和(自身を除く): 33475770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 24469, 48938, 73407, 122345, 146814, 220221, 244690, 367035, 440442, 660663, 734070, 1101105, 1321326, 1981989, 2202210, 3303315, 3963978, 6606630, 9909945, 19819890]

約数ペア:

[(1, 19819890), (2, 9909945), (3, 6606630), (5, 3963978), (6, 3303315), (9, 2202210), (10, 1981989), (15, 1321326), (18, 1101105), (27, 734070), (30, 660663), (45, 440442), (54, 367035), (81, 244690), (90, 220221), (135, 146814), (162, 122345), (270, 73407), (405, 48938), (810, 24469)]