16518220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 38676960

約数和(自身を除く): 22158740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2557, 3230, 5114, 6460, 10228, 12785, 25570, 43469, 48583, 51140, 86938, 97166, 173876, 194332, 217345, 242915, 434690, 485830, 825911, 869380, 971660, 1651822, 3303644, 4129555, 8259110, 16518220]

約数ペア:

[(1, 16518220), (2, 8259110), (4, 4129555), (5, 3303644), (10, 1651822), (17, 971660), (19, 869380), (20, 825911), (34, 485830), (38, 434690), (68, 242915), (76, 217345), (85, 194332), (95, 173876), (170, 97166), (190, 86938), (323, 51140), (340, 48583), (380, 43469), (646, 25570), (1292, 12785), (1615, 10228), (2557, 6460), (3230, 5114)]