19215536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2097

約数の個数: 40

約数和(自身を含む): 40473600

約数和(自身を除く): 21258064

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2039, 2356, 4078, 4712, 8156, 9424, 16312, 32624, 38741, 63209, 77482, 126418, 154964, 252836, 309928, 505672, 619856, 1011344, 1200971, 2401942, 4803884, 9607768, 19215536]

約数ペア:

[(1, 19215536), (2, 9607768), (4, 4803884), (8, 2401942), (16, 1200971), (19, 1011344), (31, 619856), (38, 505672), (62, 309928), (76, 252836), (124, 154964), (152, 126418), (248, 77482), (304, 63209), (496, 38741), (589, 32624), (1178, 16312), (2039, 9424), (2356, 8156), (4078, 4712)]